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. 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. Advanced Design with Multiple Settings: It supports setting the following parameters: Presence Keep Time/Indicator Status/Radar Parameters(Sensitivity and distance)/Motion False Detection. ZigBee Hub as Control Center:Tuya ZigBee gateway is required for this ZigBee human presence sensor,performing as the center bridge for all Tuya ZigBee smart devices with extremely stable signal and a really good necessity for whole-house intelligence.(note:Tuya ZigBee hub is highly recommended for its compatibility than other hubs) (Note: Zigbee needs to be used together with a zigbee gateway, not including the gateway) Name: Human body presence sensor Input voltage: DC5V/1A Working current:Less than 70mA Wireless protocol: Zigbee3.0 Stationary detection range: 0~ 600cm Movement detection range: 0~ 1000cm Illumination value: 0~ 3000Lux Working temperature: -10℃~55℃ Working humidity: 0%~ 95% RH Colour: White Material: ABS Package Contents: 4 x Human presence sensor 4 x 2m USB Type-C Cable 4 x Double-sided tape(For Wall/Bracket Mount) 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.