1 8 wired defense zones,99 wireless defense zones 2.One key arm function 3.SOS, fire, gas, door, hall, window, balcony, and perimeter places alarm4.Power adaptor: DC 12V/1A(Input),DC 12V/100mA(Output) 5.Siren sound:110dB 6.Back-up battery: Lithium AAA*6 DC 7.2V 7.Working current: Max 450mA 8.Tempereture: -20°C ~ +55°C, humidity: 40%-80%..