Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Precise human presence detection] - 24G millimeter wave Radar Sensor can detect the movement and presence human body , more precise, supports detection of human motion, and human stationary [Tuya Smart Life App Control]- Easily control and setting the human presence sensor and your home device through Smart Life App. Detect and monitor human body motion from your smartphone. perfect for security and automation needs. [Widely using applicaion] - The sensor can be widely used in lights,security,garages,doors.smart hotel,LOT internet of things and other industries that need to detect human Micro-motion,motion and presence. [Works with your smart home devices to create smart home scene] - Our Smart Detection Sensor can accurately detect human presence, body motion, and movement, alerting you with a siren alarm for added security, such as the lights turn on once you enter the room or in the room and off after you leave. It is more convenience and saving energy to create your perfect smart home. [Powered by type-C 5V] - it.and it's powered by USB 5V.,And no need hub to operate.use 2.4G wifi network to pair with tuya "Smart Life App" Product specifications Product name: Zigbee infrared human body sensor PIR Communication : Zigbee 3.0 Power supply: DC 5V-1A Backup power supply: 3V CR123A x 2pcs Sensing distance: 10 meters Detection angle: 120 Adjustment angle: 360 degrees Horizontal rotation, 90 degree vertical rotation Note: Need to be used with Tuya zigbee gateway (gateway not included) color: White Material: ABS Package Contents: 1 x Human presence sensor 1 x usb 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.