... Size :24*18*11cmGSM alarm system G3 IntroductionThe wireless 2g 3g 4g GSM alarm system is a GSM domestic / commercial burglar alarm system, combined with ... .2.The host has 96 wireless zones, 2 wired zones, each zone has eight kinds of zone types to choose from, you ... can set up common zones, home zones, intelligent zone, emergency zone, closed zones, doorbell zones, welcome zones, old guy for ...