This product can be used with: Mix Box WIFI Home Security System Alarm Wireless IP GSM System Kit Wireless motion sensor Technical parameter Operating Voltage: 3V AAA*2 alkaline battery Working Current: ≤25mA Static Current: ≤15uA Emission Frequency: 433Mhz （ASK) Transmitting Power: ≤10dB Emission Distance: 80m(in open air) Detection Range: 8m~12m（25℃） Working Temperature: -10℃~55℃ Installation Way: Wall hanging Installation Height: 1.8~2.2m Detection Degree: 110° Product weight: 120g Note: 1. This product does not work alone, it works together with the 433Mhz (1527Code) alarm host. 2. This product includes only 2 motion sensors, excludes any other item. 4. Due to different lighting and screen settings, the color of the item may be slightly different from the picture. 5. Due to manual measurement, please allow slightly different dimensions. What's in the box? 2 x Wireless PIR Motion Detector