3. [Flexible in use] The wall mount 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. 2. [Perceived Light Intensity for &Scene Linkage] Illuminance monitor in Tuya APP enables its feature as scene linkage with other devices, especially your house lights to ON/OFF automatically as the brightness changes; Besides, you can intelligently linkage the sensor to other home devices for home automation. 1. [Functional 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. 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 designed with hold time set as 0-1500s and detection latency set as 0-10s to avoid irrelevant annoying movement and reduce false alarm rate. 5. [ZigBee Hub as Control Center] Tuya ZigBee gateway (not included) is required for this ZigBee human presence sensor, performing as the center bridge for all Tuya ZigBee devices with extremely stable signal and a really good necessity for whole-house intelligence., Weight: 0.16755131912 Pounds, Manufacturer: muqeu