About product：

mmWave Rader Detection ,can detect both human movement and the presence of static human body；

You can set app alarm notification once people or leave the specified area；

Real-time detect children and the elder or pets ；

Built-in Light sensor,it can help to get smart home linkage with othe smart devices such as curtain motors and so on

Note: the tuya zigbee Radar Human Presence Detector demand you have a tuya zigbee gateway at home to work with it