Wireless Infrared PIR IR Motion Sensor.

Description

1. Easy to install, absolutely wireless, power supply built-in, wireless telegraph transmitting signal.
2. Save power design& high capacity, it lasts longer than other wireless infrared detector.
3. Extending socket built-in, compatible with wireless multi-host.
4. Power supply: 9V high alkaline battery. 2500mzh
5. Working current: static < 30ua; alarm < 20 Ma
6. Self-check: 1~2 minutes