1、Detection Distance: The sensor can be mounted on the ceiling, the detection distance is 0.3m to 9m, which can be set according to your needs, flexibly detect whether there are people in the setting area. 2、Multi Function: The sensor has detection functions of human existence, human static, micro human motion and human motion, can accurately detect static state such as people sleeping through characteristic millimeter waves. 3、Compatible for Tuya: Compatible for Tuya smart app, allowing you to wirelessly control and monitor your home security anytime and anywhere, the corresponding target distance can be displayed in the APP. 4、Home Automation: The sensor can be connected to other smart home devices for home automation, such as home lights, the light can automatically turn on or off when senses your existence. 5、Gateway Needed: The sensor needs gateway, which is the central bridge for Tuya and for ZigBee smart devices, the signal is extremely stable. 1 x Smart Human Sensor1 x Manual1 x Adapter Item Type: Smart Human SensorMaterial: ABSWireless Technology: For ZigBeeWorking Voltage: 12VInput Voltage: 100-240VWorking Temperature: -20℃ to +70℃Detection Distance: 0.3-9m (default 6m)