Having over fifty years in security, I would do this much different and just as reliable....thinking out of the box for my personal security requirements.. However when desiging and selling items which are security related and especially audio, there are several statutes both state and federal etc which must be complied with. My business and residence is completely surveiled by audio and video. However, I find that having a great system is great but having everyone believe you have much more for security is a great advantage. An oldtimers thoughts.. :)