1. [Functional 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 Smart&Scene Linkage] Illuminance monitor in Tuya Smart APP enables its smart feature 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. [Flexible in use] can be attached to the wall or wherever you need it. It's as light as a wireless hub, and it's powered by USB 5V. 4. [Advanced New Design with Multiple Settings] Set the sensitivity from 1-6 to your own need, together with minimum detect range as 0.00m and maximum as 9.5m for flexible detection demand.Meanwhile, it is