In order to save battery power, this ~$40 wireless reader makes users push a power button first before scanning a credential:
** **** *******, ***** ** ******** and *******-*******, *** ****** *** * hibernation **** ** **** ******* **** and **** ** *** ***** **** first ***** *** ****** - ** wake *** **** ** ** **** a ****. ****** *** **** ** powered **, ** **** *** **** credentials.
*******, **** ** ** ******** ****, and * ***** **** ***** ****** to **** * **** ** * reader *********** ******* ******* ** ** first. **** ***** ******** ******* (*** our**** ****** ******** ****** ****** **** Tested) ** *** **** * ***** button.
* ** ******** ***** *** ***** button ** *** ******* ** *** first ****, ****** *** **** ***** to **** ****** ** *** ****** while ** ** *** *** *** frustrated ** ** '*** *******'.
** *** *****/********? ****:
* ***** ***** **** ******* ***** to ******** ***** ****** *** ****** battery ****. ** ****** ** *** $40 **** *** *** **** *** get. **** ** *** ******* **** in * ******** ******* ** **** up ** *** *****-** ******** **** is ***.