Features: * 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. *ForZigBee or wifi Smart Human Presence Sensor Featured as human presence,human static,human micro 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 Detection featured. * for ZigBee Hub as Control Center Tuya for ZigBee for gateway is required for this for ZigBee human presence sensor,performing as the center bridge for all Tuya for ZigBee smart devices with extremely stable signal and a really good necessity for whole-house intelligence.(note:Tuya for ZigBee hub is highly recommended for its wider compatibility than other hubs) *This for ZigBee version supports for ZigBee2mqtt. Specifications: *Product Name:Human Presence Sensor *Material:Plastic *Size:60*60*30mm *Color:White Package Content: 1*Human Presence Sensor Wifi or for ZigBee（optional） 1*Usb cable Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Smart&Scene Linkage with Perceived Light Intensity】The illuminance monitor in Tuya Smart APP allows for smart features and scene linkage with other smart devices. It can automatically control the ON/OFF of your house lights based on changes in brightness. Additionally, you can intelligently link the sensor to automate other smart devices. 【Accurate Human Presence Detection with mmWave Technology】This sensor is capable of detecting human presence, human static, human micro motion, and human movement motion, accurately determining the presence or absence of people in the area. It can even detect static states like personnel sleeping with the help of mmWave Detection. 【Hub Required for Enhanced Control】A Tuya gateway hub is required to fully utilize the capabilities of this human presence sensor. Serving as the central bridge for Tuya smart devices, it ensures stable signals and is essential for whole-house intelligence. Tuya for gateway is highly recommended for wider compatibility compared to other hubs. 【Compatible with 2mqtt】Designed to support 2mqtt, this sensor can be integrated into networks for seamless connectivity and control. 【Specifications and Package Content】Product Name: Human Presence Sensor / Material: Plastic / Size: 60*60*30mm / Color: White. The package includes 1 Human Presence Sensor with optional WIFI or connectivity, along with a USB cable.