1.Specification: 26.5cmx26cmx8cm (width, height, depth) (Except the exceed part of the antenna.
2.Voltage: AC 220±15%V      
3.Battery: 12V/7AhAuxiliary output current: <750mA
input current of the signal: <2A
4.wireless networking frequency: Type A: 315MHz   Type B: 230MHz
5.The distance of wireless communication: 
Type A: the distance is more than 500 meters between detector and the control panel (widen space)
The distance between the remote control and the control panel is more than 100 meters (widen space)
Type B: 3-100 kilometers between detector and the control panel (widen space)