Specifications: Dual Power Battery & USB Tuya ZigBee PIR Sensor With Illumination Sensing Detect Human Movement And Lux Sensores Home Security This smart pir motion sensor can be intelligently linked by first connecting the zigbee gateway to the mobile phone APP tuya smart or smart life. For example, it can be set on the APP that when someone passes by, the sound and light alarm will sound. As long as there is movement, the mobile phone will receive a prompt message, no matter where you are, the human presence sensor that makes your home and family safer and makes you more assured smart pir motion sensor Brightness sensor with USB power supply ( USB Battery together) smart life pir sensor detector with long sensing distance and wide angle.zigbee motion sensor works with google assistant smart home Description: PIR Motion Brightness sensor with USB power supply ( USB Battery together) 1. Support USB power supply 2. Support : CR123 battery, easier to buy and replace Double source power supply, no need to worry about pwoer problem ( USB power and battery can be switched seamlessly) 3. PIR Detecting Range 8 Meters Viewing angel 120 degree The detect brightness range 0~1000lux 4. Operating Temperature: -10~ 50 5. Operating Humidity: Maximum 95%RH 6. Installation Height: 1.2~2.1 Meters Material: plastic colour: white Package Contents: 1 x Smart Zigbee PIR Motion Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.