support breathing, Mini movement,movement detetion,can penetrate glass walls,implement more automation scenarios. Support Home assistant,Zigbee2mqtt , work with tuya zigbee hub/gateway How does it work?Download APP: "Smart Life" or "Tuya" This is a low-power version that first detects humans through infrared detection, and then activates radar for detection. Can detect movement or no movement Battery Powered ,More easy to use(packaging not including batteries) Battery Type:LR03 AAA*2 Operating voltage:DC3.3V Wireless Protocol: Zigbee 3.0 Stationary Detection Range:0~600cm Moving Detection Range:0~1000cm llluminance Value:0~3000x Colour:White Material:plastic Package Contents: 1 x Human Presence Sensor 1 x English manual 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.