Wireless Home burglar alarm systems Support 16 wireless zones Support 16 Hardwired zones Name: Commercial Alarm SystemModel:VS816-16Metal housing, ... the monitoring, control home appliances. Lamp, exactly see 4.35)Different programmable settings, such as alarm sounds, zone types, ... delay zone, 24 hours zone, boundary zone , fire alarm zone, gas zone, check zone, and BY-PASS zoneRemote control function ...