Tuya Human Motion Detector Zigbee Wifi Light Sensor Smart Home Devices Linked Scene Switch Function home Body PIR Motion Sensor Description: Product name 3 in 1 Sensor Dimensions51×51×21mm Weight 18.5g Battery(WiFi Version)AAA*2(not include) Battery(Zigbee Version)CR2032(with battery) Working temperature 5-60 Working humidity20%—80%RH Wireless protocol 2.4GHz Wi-Fi Zigbee 3.0 Working voltageDC 3V Specifications: 1. Newly designed 3-in-1 sensor, human infrared sensor; light sensor, intelligent scene switch. 2. Human motion detector, APP timely notification to protect your family safety. 3. Smart scene switch function, can control the smart light bulbs in your home. 4. Intelligent linkage control, this sensor can be connected to other smart devices to make your life more convenient. Package Included: 1*3 in 1 Smart Sensor 1*User Manual Notes: Notice: 1. This sensor is divided into wifi version and zigbee version, please look for it before purchasing. 2. The zigbee version needs to work with the Tuya Zigbee gateway.