Perceived Light Intensity for Smart & Scene Connection: The lighting monitor in Tuya Smart app allows its smart function as smart scene connection with other smart devices, especially the lights in your house automatically turn on/off as the brightness; Besides, you can intelligently link the sensor to other smart home devices for home automation. Functional ZigBee Intelligent Presence Sensor: Featured as presence, static, mini human movement and human motion motion detection to detect the presence or absence of people in the area, even to detect the static state, such as staff sleeping accurately. with mmWave radar detection included. ZigBee Hub as Control Center - Tuya ZigBee Gateway is required for this ZigBee presence sensor, which acts as a center bridge for all Tuya ZigBee smart devices with extremely stable signal and a very good need for whole house intelligence. (Note: Tuya ZigBee hub is highly recommended for compatibility than other hubs) Advanced design with multiple configurations: support setting the following parameters: presence holding time/indicator status/radar parameters (sensitivity and distance)/false motion detection. (Note: Zigbee must be used in conjunction with a zigbee gateway, not including the gateway), Weight: 0.17085825305 pounds, Manufacturer: Rtxbvg