Perceived Light Intensity for SmartandScene 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 or 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 New Design with Multiple Settings: It supports setting the following parameters: Presence Keep Time or Indicator Status or Radar Parameters(Sensitivity and distance) or 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 ) (Note: Zigbee needs to be used together with a zigbee gateway, not including the gateway) Name: Human body presence sensor Input voltage: DC5V or 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: 0percent - 95percent RH Colour:White Material:ABS Package Contents: 1xHuman presence sensor 1xUSB Type-C cable 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.