1.8 wired defense zones,32 wireless zones (Max 100 defense zones) 2.One key arm function 3.Siren sound:110dB LCD Intelligent GSM alarm system home use alarm system zmg500 Description; 1 8 wired defense zones,32 wireless zones (Max 100 defense zones)2.One key arm function3.SOS, fire, gas, door, hall, window, balcony, and perimeter places alarm4.Power adaptor: DC 12V/1A(Input),DC 12V/100mA(Output)5 ...