Testing Original Dahua HDCVI

Author: Ethan Ace, Published on May 19, 2014

Have IP cameras met their first real HD challenger?

Dahua, a major Chinese surveillance manufacturer approaching a billion dollars in annual revenue, is now aggressively targeting a non-IP, coax based HD offering to Western markets, they call HD-CVI.

Coax based, non-IP, HD cameras have been around years (sometimes branded as HD SDI or HDcctv) but the effort has largely failed due to a horrendous marketing effort, weak manufacturer support and uncompetitive prices.

Now, Dahua is pushing hard on HD-CVI, that claims the simplicity of analog plus analog pricing for full HD video.

We bought 3 HD cameras, including 720p and 1080p bullet cameras and an integrated IR PTZ, plus 2 HD DVRs all for just $1200 total - a remarkably low price for HD cameras and recorders.

We tested those cameras and recorders against comparably low price / entry level IP products.

Our test results answered the following key questions:

  • Image: How did image quality compare for HD CVI vs HD IP? Day and night?
  • Length: How well did HD CVI run over coax up to 1000 feet and with poor connectors?
  • Latency: How much did latency differ between HD CVI and HD IP?
  • PTZ: How well did PTZ controls work with HD CVI?
  • Configuration: How did HD CVI camera configuration compare to HD IP?
  • Value: What is the overall value and potential of HD CVI vs HD IP?

**** ** ******* *** ***** ***** **** ** **********?

*****, * ***** ******* ************ ************ *********** ******** ******* ** ****** *******, ** *** ************ ********* * ***-**, **** ***** ** offering ** ******* *******, **** **** **-***.

**** *****, ***-**, ** ******* **** **** ****** ***** (********* branded ** ** *** ********) *** *** ****** *** ******* ****** *** ** *********** ********* ******, **** ************ ******* *** ************* ******.

***, ***** ** ******* **** ** **-***, **** ****** *** simplicity ** **************** ******* *** **** ** *****.

** ****** * ** *******, *************************** ******* *** ************ ** ***, **** ********** *** **** $**** ***** - * ********** *** ***** for ** ******* *** *********.

** ****** ***** ******* *** ********* ******* ********** *** ***** / ***** ***** ** ********.

*** **** ******* ******** *** ********* *** *********:

  • *****: *** *** ***** ******* ******* *** ** *** ** HD **? *** *** *****?
  • ******: *** **** *** ** *** *** **** **** ** to **** **** *** **** **** **********?
  • *******: *** **** *** ******* ****** ******* ** *** *** HD **?
  • ***: *** **** *** *** ******** **** **** ** ***?
  • *************: *** *** ** *** ****** ************* ******* ** ** IP?
  • *****: **** ** *** ******* ***** *** ********* ** ** CVI ** ** **?

[***************]

Key ********

***** *** *** *** ******** **** *** ****:

  • ***** ******* *** *** **** **** *** ****, **** ***** streaming **** *********** **** ** ********** *****.
  • ***** ******* ** ***** ***** *** ***** ** ******* (**** fixed ****************) *** ******* *** ****, **** ** ********* ********** ** details ********* ** ******.
  • ***** ******* *** ******* **** *** ******** ** *** **** distance ***** *****. ***** ******** *** **** **** ***** ******* of **** ******* ****, *** ******* ***-********** ********* **** ******, as **** ** ****' ** **** **** ****** ********** **********.
  • **** **** ******* ** ***** *** **** ***** *** ** cameras *** *********** *** ****, **** *** **** ****** ******* on *** ********.
  • *** ******* *** *** *******, ** ****, **** ** ****** following ******** ** **** ****.
  • ** *** **** ******* ** ****** ******** ******* ************* ** exposure, ***** ******* (*********, **********, *****, ***.), **********, ***., *** typically ********* ** ****** *** **-*** *******.
  • *** *** ****** ********* *** ******, **** ** ***** ****** in********, ******, ** *****.
  • *************, *** ** *** **** ******* **** *** ** ***** recorders ***** ** **** ** ***** *** **** ******** ********** into ***** *** *******.

*******

******* ** *** ***** ********* ** **** **** ** ** follows:

******** ** **

**** ******* ** ************* ***** **** ***** *******' ** ************. For *******, ***** *** ***** ***** ****** ***** *** ~$**, a ******************* ** ****** ** ~$***-***. *** **** ** **** ** ****, ** ****. ******** to *** $** *-******* **** ***** ***, * *-******* ** model ** *** **** **** *** *** ****** ***** ***~$***.

***************

**** ******* ******* *** ******* *****, ** *** ****** *********** savings **** ********** ** *********. ** ****, ** *** **** as ****** ********** ** ****** ********* ******. ****, **************** **** ****** **** ***** ****, **** ***** ** ** interesting ********** ** ************ / ***-***** *** *******.

**** *******************, ********* ****** ******:

  • *** **** ** ******************** ******* (** *** **, *** ***** *******) ******* ******** that ** ****** **** ** *** / ***** **-*******.
  • *** **** ** ***-**** / ********** ******** ******** **************** ****** *** ************** ** *** **** ******** **** ****** (presuming **** ** *** *** *** ********* ** ********).

*** ******* ********************** ****** ****** ***** **** ** ****** ****** *** ******* ***** **** their *** **** *** **** ** ** *****. ***** ***** existing *** ******* *****, ** **** ******* *** ****** ** this, ** ***** ** ***** ****** * **** *********** ***** in *** ********, ******* ********* ** *******, ******* **** *** budget ******** (**** **** / *******) ** *** **** *** providers *** **** *** **** ****** (**** *******, ****).

Connecting *******

********** ***** ******* *** ******, ****** ******** ** *** ***** to *** *** ********* ** *** **** ** *** **** and ******** *******, *** **** ** ** ****** ******. *** **** ********** step ******** *** ********* ********* **********, ** *** ******** ********* to **** *** *** *** ********** ***** ******* *********.

**** ******* ** ***** ** *** ***** *****:

*** ******* ***** ** *** **** ******** *** *************. ****'* how ** ******:

Cable ******* *** ***********

** *** ** ********** ** ***** *******, *******, *** *** control *********** ***** ** ***** **** *** *******. *** ** the *** ******** ******* ** ***** ** *** ******* ** reuse ******** ****** ****** ******, ********************* ** **** *********.

** ****** **** ***** ********* ****** ** ******** ******* (*** worse) ********** ***** *** ** ***** ** *** *****:

  • ***-********** ****, **** *******:*****, ** ********* * ***** ****** ** ****, ***** **', with ******* ************.
  • ***-********** ***** ********/***********:****, ** **** * **' ***-********** ***** **** ***** ***** in ***-**** *** ****. ***** ****** *** **** ***** ***** miniature ****, ******* **** ** ********* *********** ** ********** *******.
  • *,***' ******* ****, ****** **********:*******, ** ****** ***** * *,***' ***** ** **** **** poorly ******* **********, ***** ******* *** ***** ** **** **** and ********* **** ******* ***.

*** ** ***** ****** ********** *********** *** ****. **** ******** together *** **** **** ***** *** *,***' *****, ** *** no ***********. **** ***** ***** *** **** *** ********* **** 1,000' ***** **** ****** ******* **********:

Video ******* **. **

** **** *** **** *** ***** ***** *** ** ******* to **** *** *********** ** ***** *******, *** ***** ** practical ********** ** ******.

**** *******

*****, ** ******* *** ******* ** **** ******* ** ****** our ******* **** ******* * ******* ***** ** **** ** both ***** *** ** ***** *******. ** **** *******, ** viewed ***** *******, *** * ******* ********* ** *** *** in *** **** ** *****, *** *** ****** *************** *** ***** ** ******.

**** ***** ***** **** **** ** **** *******:

***** *******

** **** *****, ~*** ***, ** ***** ******* ********* ** HDCVI *** ** ** *** **** ********** *** *******, **** no ********* ** ******.

** * **** ***** **** ** **, ***** ******** ******** less ******* ***** **** *** ** ************, **** ********** ** the **** ******, **** **** ***** *** ******* ******* ** the **** ** ******. *******, ******* ******** ** *** ***** cameras *** *********** *** ****.

*********

*** ***'* **** *********, ********* *** ****** *** ******* ********, were *********** *** **** ** ************* *-*** **** ** **** ******, **** ******* ********** ****. *** ** ** ******, **** ** *** *** **** live ********** *** ******.

**** ***** ******* ******* *** ***** **** *********:

Comments (104)

***. ******'* **** ******* **** ******? * ****** ***** *** one ** *** **** ******* ** *** ****** ********. *** they **** ***?

** **** ******* **** ****** (** **** ** ****** *** compete **** * ***-******), *** **'* ******** **** ****** **** an ****** "********" ** ***** *.* *****, ***** ****** **. However, ** **** ** ******** ************* *** *** ******** ** producing ***** *********, ************* ** ****** **. ** **** *** **'* **** ** like********'* ****, ***** **** ****** ******* **** ***** ****** *******, ********* ********.

*** *** ****** ***** ****** ** ***** **** **** ******** members *** ******* *** ** *** **? ****'* ***.

**** ****!

* ****** ** ************ ********** *** **** ****. *** ********* are ******* ******* ***CVI ***** ********** ********, do you agree?

**********: * ********** **** *** ******* **** ** ******** *** just ****, *******, *** *******. * **** ********** *** **** are *** *** **** *** *** **** ** *********. ****** said ****, *** ***** ****** *** * ***** ** ****** *** *********** ******** ***** quality *********** ** *** ******* ****. ***** *** ******'* **** ***** some *********** '**** ******' ** ****** ** *** ********* ******:

********/********** **worse ** ** view, kinda hazy.

***********motion **** ****** ** *** ** view, CVI is crisp. You can check this just by pausing the video anywhere there is motion...

***** *** ******* ** *** ****** ** *** ** ******* is ****** ** ******* ** **** ** ********** ** **** displaying ** ***** *** ***** ****? ** ***** ** ******** interaction ** ********* ******* *** ******* ******* **** *** *** camcorder?

***** **********, **** *** ** **** **** ** ****, ***** its ******** ** *** *** ****** **** **** ******** ** the ********* ** ****. ** ****** *** ***** **** ********* behind *** ********, *** ***** *** *** ***** ** *** frame...

* ***** **** ** * **** ****:

"***** **********, **** *** ** **** **** ** ****, ***** its ******** ** *** *** ****** **** **** ******** ** the ********* ** ****. ** ****** *** ***** **** ********* behind *** ********, *** ***** *** *** ***** ** *** frame..."

**;** **-*** ** **** **** ******* *** **** ********* **-**** would **?

** ************* ** ***** ** *** **** ** **-***. ******** they *** ****, **** *** ******** * ********* ************ - HDCVI **** *** ****** ***** ********* ***** **-*** ** ***** on *****. *** **** ** ** * ****** ****** ** SMPTE ** **** ****. ***** **** **** **** ** ******** as ******** *******, **** ** **** ***** ******* ***** / connectors *** *** **** ********* (** ** ****), ***** **-*** is **** ********* ** ********** ** *** ***********. **-*** ** only **** *** ****** **** ***** **** *** ******** ********/* to ******* ****** **** ********* ***/*. **** ** ******** **** result **** ** ****-***** ****. ***** **** ** ****** **** cost **** **-*** *** ** ***-*****-********* *** ** *****'* *********** registered / ******** ***********. **'* ******* * *** *** ** OEM *** ********** ******* **** ********, ******, ****** *** ********* etc. ******* ** ***** ********* *********, *** ***** ****/* **** cabling - ******* ** *******, ** **** *** ** ********* on * **** ******* ***** *** ** ****** "**-***". **'* getting ****** ***********!
***** ******** **** ***** ** **** ** **-*** ******* ******. Obviously **** *** ******* **** **** ****** **** **-***. **** TODD ******* *** **** ********* ***** *** ***** ** **-***, not *****. ***** ** *****'* *********** ********, *** * ** sure **** ***** *** **** * **** ******* ***** **, perhaps ** ******** ***** **** ** **** ** ***** **!! ;-)

*****, * *****, *** **** ** *****, *****-***** (** ** least *****-*********) ** ***** **** **** ** **** *** **-**** Alliance **** **** ********* *** *****, *** *** ***** *** found * *** ** ******* ** ******* *** ********'* ****.

**** ***** *** **** * **** ******* ***** **, ******* he ******** ***** **** ** **** ** ***** **!! ;-)

*** ****, ********** **** *** ************** **** ***** *** **** ** ******* *** *** ** **** ******* *** *** *** ************... :)

********* ******, *** ***** ******* ***** ** ** * *********** one *** *** **** ** ****, ***** **** *** *** arguments ** ********** ********** ***** ** **** **-*** ** **** as **-****, *** ********* ** **** ** ******** ** *** some ********** ** *** ****** ***** *** **** ****, * triumph **** *** *** **** ***** ****** **** *** **** vociferous ******.

******** ** *** **** **** *** ** ***** *******, ** may ** ********** *******, ******* ******** ** *** **** ** the **** *********, ** ****, *** ** ****, *** *** might ** ********* ** * **** ********, ** *** **** regarding **** ****** ********** ** ***** ** *******'* ********...

******: **** *************************-***. ** **, ** ***** ******* ***, *** ***** ************* pillar ** *** ************ *******, ******** ******HD-cctv **, and when it is referred to in that manner it makes Todd ************** ***** ******. ** ******** ******** **** *********, *** ********...

*****'* ****** *********** ** *** ******* ***** ** *** ************ market, ******* **** *** ********* ********* *********, ******** ** ********** greatly ** *** ****** ********.

****** *************** ******** ** *** **** ****** ****** *******.

*** ******** *** **** *** *****.***********.***

****:******** * ****** ********** *** '*********' *******defcctv, was possibly their first marketing mistake, but hardly their worst, and certainly not their last...

** **** **** ******* ******* ******* **** *** *** ********* the ********* **** *** ******* ** *** ******* ** *** video *** *** ********. *** ******* ** **** ****** *** with **** **********, *** *** **** **** *** ******** ****** and **** **** ******* **** ** ** * ****** ** minutes ** ** * *** ***** **** **** ****** ****. This ** * **** **** ******* ** ** *******!

**** *********** *******!

***** ** ** ******** ** ******* *** ******* **** ** that ** *** ******** *** *** ** ** ******* *** the **-***?

******, * ** *** **** *** ** *** ******* ** precisely. ** ***** **** ** ** **** ** *** * 'start' *** '****' ******* * ** *** **** ***** *** ****** *** ******* setup ** ***** ** **** **** ***** ********. ****** **** ideas, ****** *****.

* ***** * ****** ******* **** ******** ***** *** ***** can ** **** ******* **** *********** *** ******* **** ** systems ** ******. *** ******* *********** ******* *** ***** ************ ************** ** **** **** ** **. *** ********* ** ****. The *** ** ******** ********* *** ******** ******** ****. * ******* *** *********** *** ******* *******, **** ** the *******, ***** ** ********** ****.

** **** **** *** ****** ***** ***** ** *** ** a *********** ******* ** * ** *******. **** ** *** the ****** ** ****** **** *** ***** ** **** ** side **** *** ******* ** *** ******. ** *** **** se **** *** "*********" *** *** ****** ** *** **** time.

** *** *** ******* ** **** *** * ****** ******** and ***** *** *********. **** ** *** *** ***** ******* the "*********" ******* *** *** ******** ******* ** ********* ****** of *** *********.

* ***** ****** *** **** ** ****, *** **** ** only *** **** *** ******** ** *******.

***** ************ ****** (******) ***** ************ ********* **** ** ***** signals **** ****, **** **** ******** ************, ** * ***'* think ****** ***** ** ** *** *******. *******, ** ******* is *** **** ** *** **** *****-******, **** **** ** use * ******* ****** ****** '***' (**** ****** *************); ***** are **** ** ****** *** ********* *******. * ** ****** of *** ***** ******* *********** ****** ** ******* **** ***** on ******* *******.
**** *** *** **** ** *** ***** ************ ******* ***** who ******** ***** **** ** **** ** *** ****-********* ** Dahua? ***** *** * **** ******* ***** ** ***** ***** cameras. **** *** ****, ***** ** *** **** ****** ** some ************.

*******, ** ************* ** **** ** *** ** ***** *********** technology *** **** **** *** ********* ** ** ******.

** *** *** **** ********* ********* *** * ***** **** so * ***** ****'* * ****** ** *********** ** ******* options.

* ***********'* ******** ***** ***** ** ** * *** ********.

** ****** *** *************** ** ***** *********, ****** *****.

** * ***! **** *** ******* ** ********* **** *** market ** ******** **** *******-*****, ***** ***** ***** & ********* acquisition ** ****. **** ** ****. ******* ******* ********** **** exists ***, ***** **** *** ******* ** ******* *******. *** called "**-***". **** **** ****, *** ************ ******* (*** *******) would **** ******** **** ***** ** ****, **** **** ** cameras; *** ***** ******* **** *** *** ******* & *********.

**** **** ******** ***** ***** *** **** **** **** ** a '***********' ********** ***** **** **** *** ** ** **** the ******* **** ******* ****?

* *** ******* **** ** **** *** *** ****** ****** Vicon *** ***** *** ** *****...** **** ***** **** *** different ***** **** *** ******* ***** * ****** ****/*********** ******?

** **** **** ** ********. ** *** ********** ** *** how **** ******** **** ***** *** *** **** ****** ** open ** *** ********** ** ******* ** ***************.

***** ***** *** ******** ***** ********? *** *** ********** * assume ** *** ***** ***** ********?.

*******, ** ****** ** *******. ** *** **, ********* ** is ******* ****/**-*******- *-*** *** ** ******** *** *** ** *** *******.*****'* ********** ******* **** ******'* *******.

** **** *** ** *********** *** ***** ***** ******* ******** -** ******. ***** ***** ** ********* ** ***** ********.

**** ****** **** ** *** *** *** ** *** ******* on ***** *******?

* ***'* **** ** ***** ***** ** *** ********, *** there ** *** **** *** ** *********** *** *********** *** as ******** ******.

*** ****** **** * ** ****** ***** ******** ** **** they *** ********** ***** ** * ********* ******** ********* ******* and **** **** **** ** ** ***** **** ** ******* facility *** ********* ** *** ****** *** *************.

**** * *** ** *** ***** ***/****, *** *** *** an **** ****** ** **** *******. ** *** *** **'** using *** ****** **:

****://**********/***/***********?*******=*&*******=*

***** "*******=*" ** *** ******* *** **** ** ***, *********, and "*******=" ** * *** *** **** ****** ** * for *** ********* ******.

******** **** *** ******** **** *******, *** ****** *** ** them ** *** *** ** *******, ** *******'* ** * problem ** ****** *** ******. *** **** **** ** *** it ********* *** ******* ** *** ***.

** ******** ********* ****** *** ** ***** **** ** ***** during ***** ***** ******* **'* ****** ** **** **** ******* that ***.

**** *** *****,

****** **** ******, **** ******* *** **, ** ** *** testing ***** ** ****.

* ********* ******´* ********** ** ********* ******* ****.

** ** **** ** **** ***** *** ************* ********* *** very ****, **** ** ****** (**** *** ****´****** ******* **** cables) *** ** ** (**** *********, *** ******* ********).

***** ***** ** **** ** **** **** **** ****** **** latency ** *** ************, ***** ** ** ****** ** * perfect ********.

******* ********** ** ** **** **** *** ******, ********* ******* video ******. ** *** ***** *** *********** *** ********** ****, and ************ **** ** **** ******** ** **** ***** **** coax.

*******

**** ********

********* ** - ******

**** ***** ******* ***** ** *** **** ** ** **? Outside ** ****** ** ******* ** ** ************.

** ****,

***** *** ******* **** ***** ** **** **** **** ******** cables, *** ******** ********* ** ** **** ** **** *** see *** *********** ** *** *******/***.

***** ** ********* "** ***" ** *** ** *** *** advantages ** *** **********.

** ****** ** * ******* ** ***********, ***** ***** ** no *********** ** *********/******, *** ** ******* ***** **** *********, with **** *** *******/***.

*** *** *** ********** (** ***** ** *** ******) **** life ** ************ **** ******* *********** ** *********. ** ********** where *** **** * **** **** ******* ** ** ** keep *** ******* (***** ****, ***** **** **** ** ******) I ******* ***** ***** **** ****** ***********.

***** ** ***** **** ******* ***** **** **** *** "***" comparison. ** ****** *** ***** ** ***** *****, *** **** hide **** ** ************* ** ***** (****, ******** *********** *** so **).

(****://***.******************.***/*****************.***)

** ***** *** ****** **** **** ***** *** ********* *** mostly ****** (****, ********). *** ******* ** **** ***** *** not ********** **** ****** ******* *** *****. ** ** * proprietary ******** *** ********* *** *** **** *********** **** ****.

**** *******

****

* *** ** *** ******* **** **** ***** ******* *** HDCVI ***'* *** *******, *** **** *****.

******, ******. ** ************* ** **** **** *** ********* *** the *** ****** ***** ** *** ******* ** *** ****** expect ** *** **** *******.

* ** *** **** **** *** *** ******* **** ** though.

** ****,

*** *** *****, **** *** ******* ****** ***** ** **** 3rd *******.

**** *** **** ******* *** *** *************, ** *** *** expect **** ***** ******* ****** ** *** ******.

*** ******** ** ** **** *** ******** *******.

*******

****

"**** ***** ****, *** ** *** **** ******* **** *** so ***** ********* ***** ** **** ** ***** *** **** encoders ********** **** ***** *** *******"

**** ****** **** *** **** *********** ** *** *****?

**** **** ***** *** ****** ***?

**** ** *** ***** ****** **** ** ***** *********** ** configuration. *** *** ** ****** ********* *** ****** *** ****'* it. ****** **** ****** **** ** **** **** ****.

**** **-*** ***** **** *** ** ***** *** *** **-*** coax-UTP **********? **** ***** **-*** ** **********? *** ***** *** already?

** ***,

*** ******** *** *** **** **** ******** ***-**** *** *** last **** ***** ******** ******* ** **, *** *** ******.

** ***, ***** *** *** **** *******. **** ***** **** over *** ***** ******** *******/****** ****** ** **** ** ******* special (*** *********) ****-**-*** ********** **** **-***? *** *** ****** also ****** ****** **: **** *** ** ***** **** *** individual ******** *** *****-***** *********** (**. ***)? **** *** *****'* near ****** ***** ** ********* ******* ***** ** ***** *******? HD-SDI ********** ** ******* ******* ** ************* ** ***** ****, will **** ** *** **** *** ***** *** ** *****'* pipeline ** ****/*** ******?

***** *** **** ** ******* ** ****-**-*** ********* ** **-*** and **-***?

** *******,

*** ***** **** *** ***** ******** ******, *** **** **** SDI *** ** ** *** * **********.
***, ** **** ******* **** *** ******* ** **** *** quarters. *** *** *** ** ******, ** ** ********* *** based ** *** *** *** ** *** ******, ** ********** have ** ******** ****.

*****, ***** **** ********* ****** *** *** ********* ********* **** the ***** *******, *** *** **** ** **** ***** **** of *** **** ******* ******* ** *** *** ********** ***** of ****, *.*. ***** *** ***** **** * ** ****** horizontal ***** ** ****? *** ***** *** ******* ****** **** came **** *** ******* *** *********? ***** *** *** **** help.

* ******** ** ****** ** **** ******** **** *********** ** follows.

**** ****** ** *******

  • *.***. ***°
  • *.***. ***°
  • *.***. **°
  • *.***. **.*°
  • *.***. **°
  • *.***. **°
  • ** **. **°
  • ** **. **°

*** ***** ******* *** **-*** ******* **** ***** **** * RJ-45 ****, ** *** *** ****** **** *** *** ***** in, ******* *** **** *** * *****? ******** **** *** DVR, ***, ** ***** ******* ****...

***** ****'* **** **** ******* **** **** *******, ********* ********. Pelco, *********, *** ***** *** *** **** ************* **** **** more **** * ******* ** ******.

** ***** ****** ********* **** ** **** **** ** *** they **** ******** ***** ********? **** *** *** ***** * always *** **** *** *** *******...**** ****'* ********* *** *******.

****, * **** ** *** ***** ********, *** *** ****** answer ** * *****'* ******* ** *****. ** * **** UTP, *'** **** *** **** ****** *** *** * *****. I ***'* ***** *'** **** ******** * ****** ***** ** wether ** *** *** ** ***.

** ***** ** ** **** **** ********** *********** ** ** if ***** ** *** ****** *** ** *** ****. *****'* still ********* ** ** **** *** *** ******** ** ***. A ****/***** ***** ***** **** ** *** *** *** *** still **** ** **** **** ***** ***** ** **** **** and ****** * ***** ******** ******* ***** ****** ** **** of ***** ****** ** *** *** ****. ***** **** ****, the **** ** ***, ******* *** ********** ***** **** ** IP ****** ** **, ** ***** *** ******* ***********. * can ****** *** * ******* ******* ** **** ******* ** at ****** *** ***'* ****.

**** * ***** ******* ** **** ********, **** ** *** cameras ***** *** ** ****. ******* ****** *** ***** ******** hardly **** **** ** ********** ** **.

****, *** **'* *** ********. ******** ** ******* ***** *** simply ******** ** ** ** **** ****, **'* ********* ****** and ****** **** ***** ***** *** ***** ********. ***** **** happens ** ** **** **** **** *** **** ** ******* cables.

*** *** ************* ****? ***?

* *** ********* ****' **** ****** ** ******* **. *****.

***** *****. ***, *** ***** **** ** ********* *** **** cable.

* **** ****** ** ******** *** **** ****** **** ****'** the ******* ** ************ ******* *** ***** ** *** **. The ***** **** ***** ** *** * ****** ** ** to ***** ****** *** ***** ** ******* ** *** ** version **** **** ***** **** *** ***** ****** ****** *** them ******* ** ***** *** ******** ** ** ****** ******, like * *** *** **** *** ******, *** **** ** started ** *** ***** **** **** **** ******** **** ******** and ********* ****. ** **** **** ** ** **** **** Cat * ** * ***** **** ***** **** **** ****. I **** *** * ***** **** *** **** **** * decided ** ** ***** ******* * ***** **** ** **** out.

*** ******* **** *** **** **** ** ************ ** ** RealTime?

  • ***** ******* ** **** ***** **** *** ** **********? (*****?) (Maybe ******* ********* *** ***?)
  • ******* ** ********* ** ******** ****** ****** **** ****** ** order?

** ** ****** ****** ** ***** ***** ******* **** ******, at ***** *** ******* ********?

****** - *'* ******** ** ****** ** ** *** ******* HDCVI ***** ** **** *****.

** ******* ***************, * ******* ****** ***** ******* **** *** ***** ******* HDCVI ** *****. *** ******* ********, **** ***** ** ** a *************** *** ** **. ** *** ** ********.

** ** ******** ******* ** ***,** ***? ** ******* **** ***.

** *** *****, * ******* ********* **-******* *** ****** **** they ****, ***, **** ********** **** **'** ****, ***** ** CVI ***** **** **** ***** ** **.

*** *** ** *****, *** ** ***** ** **** *********. They ** *** ************** *** ** ***** ********. **** **** **** ** **** *** *** ******* ************ partner *** ***** ** *** **. ** ** **** ***** it ****** ** ***** *** ***** **** *** *** ***'** then.

*'** ***** **** ** ******** ******, **** ** **** ******** acknowledge *** ***** ************.

*** * *****, *** ********** *** ******** ***** ***** ****** more *********. **'* * ********** ******** ** *** ***** ** to ****** ********.

********* *** **** ****** *****:

****, * **** *** *** ** **** ** ***** *** have **** ****** * **-*** ******/*** **** **** *****, *** pair *** **** *** *** ***** *** (** ***) *** power. **** ***** ** **** *** *****.

** *** ****,

*** *** *** *** ***** **** *** ***** * ****-***** in *** ** ***** **-*** *******? ***** ***** * *.*, 3.6, *, *, * *** **** **** *******. ***** * cameras ** ***** ******* ** *** **** ***** *.* ** 12mm ****.

******* **** ***** ** ****?

*******

***

** ***, ***** ** ******* ***** ***** ******** ** ***** party ****** ************* ** *** *** **** ********* ***** ******* such ** *** **** *************. *'* ******** ***** ***'* *** ********* ****** ** ** to **** ***** ******* ** ********** ** ********. * ***** like ** *** **** *** ********* ******, *** (***** *** camera ******* *** ***) *** ***** *** ***** ***** *******. These ***** *** **** ** * **** *** ********** ***** at * *********** **** ** ** *******.

** ****, ***** ***.

***

*'* ******** ***** ***'* *** ********* ****** ** ** ** keep ***** ******* ** ********** ** ********...

* ***'* ***** ** * ****** ******, *** ** *** other **** *** **** ** ******* *** **** ** ***** internal ***** ****** ******, ********* ************* ****, ******* *********, **** returns *** **** ********** ***** ******** *** ***** **** *** a ****-*****... **** *********** *** **** **** **** ***** *** them ******* ** *** ******** **** ****, *** *** * bigger ***** ***** *** ****** * ***** ** **** ** the **** ****... ***** ***** ** ** *********** ************, ** some *** ******** **** ****** ** ** ******** ** ***** pinching...

****,

*********** **** **** *** **** *** **** ** ********** ** Definition (*****) ********** ** ****** ******* ** *** ************.

***

* ******* ******, **-*** ** ***** **** ** ****** ** Tri-Ed **** ***********

******, ******. *** *** **** **** *********** ** *** ****** relabeling **-*** ** ******* **** **-***?***** *********** *** **** ** *** ********** ** **** ***** * real ************.

***, * ** ******* **** ***** ** ***** ** ** with ***** ********* ** ********** ** *** ***** ** ***** confusion ***** **** ***** **** **** (**** **-*** **** **** HD ***? ***.).

*** *** **** **** *********** ** *** ****** ********** **-*** or ******* **** **-***? ..**** **-*** **** **** ** ***? etc.).

******* ********, ** *** ** **-*** ************* ** *********, ******** you ***** ****** **** *** ***** **** ******* ** ****** AT, *** ***** ***** **** ****** ** **-*** **********, ***** Dahua ****** **-*** ** ********** **** **-**** **, *** *** theoretically *** *** ***** ********? ***/**

** ** *** ***** ***** ** ******** *** ******** **** want ** ****** ***? *** *** * **** **** **** esentially ****** *** ********, *** ***** ***** ***** ** **** like ****/*** **** *****, *** *** ******* ** *** ****** compete **** ******* **** **** ***** *** *****, *** *** benefit ** ******* ********, *** *** ** *****... *****?

** ************* ** **** *** *** **** *** **-*** ***** from *****. ** ****'* ****, ** **********, *** ** **** should **** **** **** *****.

*** ******* ** ************* *********. ***** ***** ** **-***, ** Realtime ***** ** **-***, ********* ***** ** **-***, ***.). *** don't **** ** **'* *** *** **** ***** *** *** OEM /************ ** ** ***** ******* ** **** ***** ******.

** *********, *** *********** ** ***** ******** *** ******** *** products **** ***** *** ***** ****, ***** ** ********* ** HDCVI ** ***** ******* *** ******* ** ** ** *** price ******** **** ******* ****** *********. *'** ***** ** ******* on * ***** * ******** **** **** *** ***** ******* and * ***. * ***'* ***** **** *** ** **** for *****.

****, **** ******** *** ***** ** **** ***** ****.

**** ** * *** ********** **** *** **-*** ******** *** Dahua, ** *******. * ** *** **** ** **** *** going ** ***** * '****' ******* ******* ********* (**** ****** much ***** ***** ***** ************) *** ***** **** ** **, these ****** **** ** *********** *** ***** ****** ****** **** be *******.

** ****, * **** ** ******* ** ******** **** ***** was ***** ** ***** ********* ** **** *** **** ** just *** *********** ** *********. ***** * ******** *** ***** day ** *** ******** **** ***** **** ** ********* *** discovered ******** ***** ************. * ***'* **** *** ***** *** not ******* *** ***** ************ ** ** *** *'* ******* forward ** **** ****** ***** *******.

****, ****** *** *** ********!

**'** *** ******* ************ ******* * **** *** *** **.

* *******, **** ** *** *******, ** **** ***** ***** has ************ ** ***** ********** **** ******* / ********** **** from *********** ***** ********. **** ***** ***** ********** *** ******** ***** **** ** ****** ** ** ***** own ** **** **** ***************** ***** ****** **** **** *** ************* ** **********.

*'* * ****** **** ** **** **********, *** * ***** the ***** **, **** ** **** *** **** * **** letters

** *****, ** *** ***** ********** *****, *** ****** * pair ** *** ********** ****** **** * ******. *** ****** one *** *** *** ***** *** *** ***** *** ***** to *** ******. ******* **** *** ********* *** ***** ********* to *** ***, *** ***** *********** ******** ** *** ******* even ****** *** *** *** ******* *** ***** ********* **** anything. ** *** *** *** ***** ****** ** *** *******? I ***'* **** ********** **** ****** ******* ** ***'* **** where *** *** ********* *** ***** *** ******** ** **. Could *** ********* ** ******? ***** ***!

** ****, ** *** ***** **** *** ***** ** ***** Ethan **** ***-**** ******* **** *****. ** *** * *** for ***** *** *** ** **** *** ***** ** **** end.***-**** ******* **** ***** *******

****** **** **** ***. *** **** * **** **** ** look ***, * ********* *** **** *** **** **** * saw *** ****** ***** ***** **** ********* ** ***** ***** plugs ***** ******** *** *** ****** **** ****** ** *** video. * *** *** ******* *** ***** ***** ***** **** connected ****** ******* **** **** ***** *** *** ***** ***** through *** ********** *******.

*** ** *****, ***** *** ****** *** ***** ****** ***** come **** *** *** ** ***** *******, ** **'* *** mentioned ** *** ***** ** *****'* *******?

** ***** ****** ***** ****** **** ** ***** ***** ****** lying ****** ** *** ****** ** * ******* ** * DVR. *** *** ***** ** *** **** ** ****** ***** supply ***** ***** ***** ******** *** ** ***** ** *** cameras ***** ****** ******* ** *** *** ***** ****** ******* the **** *** **** ** ***** ******? ********** ** * single ***** ****** ***** **** ** **** ** ******* *** camera ***** ** * ***. ***** *** *** **** ****.

*** ******* ***'* **** **** ** *** ********, *** ** you *** ****** ** * ***, **** *-***, **** ********* do.

*** *** *** *****-****** **** ** ******** ******** *** ****** *******.

****'* * ******* ********. ****** **** **** *****!

** ****, **** ****************** **. **'* ********* ** *** *** ** *** *** the ********** ******* ** *** ****, *** *** ****** ***** are ********* ** * ***** *****-****** ***** ****** **** * 12VDC ******.

**** ** *** ****** ***** ** *** *** ***, ** used *** **** ***** ** **** ***** *** ****'* *** the ***** *********. *** *** ****** ** *** *** ** powered ** **** * ****** ***** ***********.

***** *** **** **** *** ****** *** ********** ******* ******* clear. * ****** **** *** ***** * ***** * ******* the *****. ** ****** * ***'* **** *** *** **** magic ****** *** *********!

*** *** ******* **** *** ****** *******, *** *** *** a ******* *********** **** ******** *** ** ***** ** ***** multiple *******? **** **** * *********** ***** ** **** *** power ************ ****? *'* **** ** ** ***** ***** **** to ***** *** *** ***** **'* * **** **** ** keep ***** ******** ******** ** **** ******** **** *****. ***** you *** **** ****!

** ***** ********* ***** *** *** *** *** ** ** power ******** **** * ******** *** ***** *** **** *******. Or *** *** *** * ***** ***** ****** **** **** extra ************* **** **** ******* ******* **** ******** ***** **** ************. ** *** *** *** *** *** Ethan ****** *** **** * **** *** ******** *** ** will **** ** ***.

** ***, ****** *** *** ****** ****. ***** * ******* on **, * ******* *** **** **** ******* ***** * presentation ***!

*** *** ***** ******** ******* *** * ****** ***********, *** then ** ****** *** *** **** ******** ** *** *** out ** ********.

*** *** *** ** ******* **** *** ******* **** * ***********, ** ***** *** *********** **** *******.

***** ************ **** **** **** ** ****** *** ********* *** in ** ********** ****'* ** ********. ** ***'** *** * bunch ** ******* ** ***** **, ****** ** *** * power ****** **** ******** ***** ******** ****** ******* ** ** enclosure, ******** ***.

** ***, **** ****** *** ******** *** *** *******, ********* links *** *** ********* **** ******* ** ***********. ****'* **** helpful ***********.

****'* **** **'** **** ***.

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