Fangrui Product Details 1.functional Zigbee Smart Human Presence Sensor: Featured As Human Presence,human Static,human Mini Motion And Human Movement Motion Detection To Detect The Presence Or Absence Of People In The Area,even To Detect The Static State Such As Personnel Sleeping Accurately With Mmwave Radar Detection Featured. 2. Perceived Light Intensity For Smartscene Linkage: Illuminance Monitor In Tuya Smart App Enables Its Smart As Smart Scene Linkage With Other Smart Devices,especially Your House Lights To On/off Automatically As The Brightness Changes;besides,you Can Intelligently Linkage The Sensor To Other Smart Home Devices For Home Automation. 3.the Ceiling Mount Can Be Installed Like A Downlight, Which Can Be Powered Directly By Ac; The Wall Mount Can Be Attached To The Wall Or Wherever You Need It. Its As Light As A Wireless Hub, And Its Powered By Usb 5v. 4. Advanced New Design With Multiple Settings: Set The Sensitivity From 1-9 To Your Own Need,together With Minimum Detect Range As 0.00m And Maximum As