1、Brand new and high quality 433MHz wireless PIR infrared motion detector sensor 2、It can identify the interference signal and human movement signal to avoid fault alarm 3、It adopts automatic temperature compensation technology to get used to the change of the environment 4、Anti radio frequency interference(RFI), anti electro magnetic interference(EMI) 5、Consumes very little power for long service time, suitable for home, villa, factory, warehouse, office building and so on Features: Brand new and high quality 433MHz wireless PIR infrared motion detector sensor. It can identify the interference signal and human movement signal to avoid fault alarm.  It adopts automatic temperature compensation technology to get used to the change of the environment. Anti radio frequency interference(RFI), anti electro magnetic interference(EMI). Consumes very little power for long service time, suitable for home, villa, factory, warehouse, office building and so on.  Specifications:  Wireless Frequency: 433MHZ Operating Voltage: 3V Static current: ≤10uA  Alarm Current: ≤11mA Detecting Distance: 12m (below 25℃) Transmitting Distance: 150m(in the open area) Detecting Angle: 110° Size: Approx. 10.5 * 4 * 2.5cm / 4.13 * 1.57 * 0.98in Package Weight: Approx. 84g Package Included: 1 * Wireless PIR Detector with Accessories