First, the technical parameters: 1. Working voltage: 9V 6F22 battery 2. Static current: less than or equal 25ua 3. Alarm current less 15MA 4. 12M 5. detection angle detection range; 110 degrees 6. transmitting frequency: 433M 7. Transmission Distance : 200 m 8 Dimensions: 107 * 59 * 45MM Second, characteristics: 1 .. automatic temperature compensation using ASIC 2. 3. 4. wireless transmission of alarm signals without wiring, easy to install 5. Battery voltage alarm 6. Using SMT manufacturing process Third, an overview of the product is high stability of wireless passive infrared detector. It uses advanced signal analysis and processing technology to provide ultra-high detection and false alarm performance. When there is an intruder through the detection area, the detector will automatically detect the area of ??human activity. When motion phenomenon, it then sends an alarm signal to the control panel. This product is suitable for the family security, real estate villas, factories, shopping malls, warehouses, offices and other places.