... .8 wireless zone and 4 wired zone Product name:home GSM alarm system with two-voice communicationModel:REH322Main features: 1.Eight wireless ... of wireless sensors, such as PIR detectors, door (gap) sensors, gas sensors,smoke sensors, beams, panic buttons and so on, 160pcs ... still can work about 12 hours.11.with output relay,can control the home appliance,like light,cooker and so on standard ...