Description 1. [Functional 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.2. [Perceived Light Intensity for SmartScene 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.3. [Flexible in use] The wall mount can be attached to the wall or wherever you need it. Its as light as a wireless hub, and its powered by USB 5V.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 smart devices with extremely stable signal and a really good necessity for whole-house intelligence.Network: ZigBeeVersion: B-Side Mount VersionCelling mount sensor input: 80-240VAC.Wall mount sensor input: USB 5V.Working temperature: -20~+70Sensitivity: 1-9(default 7)Wall mount sensor sensing distance: 0.3-9m(Default 6m).Celling mount sensor sensing radius: 0-7m(Default 5m).Illuminance Sensor: 0-2000 .Target detection confirmation time: 0-10sTarget disappearance delay time: 2-1500s.Celling Mount Size: : 61xH39 mmCelling Mount Opening Size: 53-58mm[Functions And Features]Illuminance detectionVarious Detection Functions(Fretting Detection/ Presence Detection/Motion Detection/Distance measurement)Detection distance settingAdjustable Parameters area inspectionSensor parameter settingLinkage settingsPlease note that due to different batches, there may be differences in the appearance, color, and printing of the product, which will not affect its usesize: 58mm x 58mm x 11mmMaterial: plasticcolour: whitePackage Contents: 1 x sensorOnly 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.