3 In 1 Sensor Zigbee Smart Human Body Sensor Human Motion Sensor Scene Switch Function Smart Life Smart Scene Switch Smart Home Description: Product name 3 in 1 Sensorzigbee version Dimensions515121mm 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 sensorzigbee version, 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*Smart Sensor 1*User Manual Notes: Notice: WiFi version: support PIR and scene key function (2 in 1) Zigbee version: support PIR, scene buttons, light sensing function (3 in 1) The zigbee version requires a Tuya Zigbee gateway to work.