Usage Tips:Features: Made of materials, Tuya Smart 360 Degree Recessed PIR Ceiling Occupancy Motion Sensor Light Switch Cooperate with Tuya wireless intelligent ZigBee gateway to create intelligent linkage of peripheral products Real-time detection and push alarm: when a person or animal is detected, it send a message to the mobile phone in real time And record mobile data, real-time monitoring of Wake up at night Automatic lighting: The infrared sensor senses the movement of people, automatically turns on the light, and illuminates you farewell to up in the dark at night. Business travel and remote housekeeping: when you are away from home, your mobile phone receives an alarm notification triggered by a human body sensor through the mobile phone APP Turn on the camera, watch the situation remotely, take photos and videos in real time to protect the safety of the home This product needs to be used with Tuya Smart ZigBee gateway! (Without a gateway) Ceiling-mounted installation, the sensor is more sensitive when it is facing the horizontal movement of the sensor, and the longitudinal movement is a little slow. Due to the limited installation height, it enters the sensing range The infrared signal of human legs is weak, and the sensing distance around is short, so the actual sensing range is smaller) Note: The sensing sensitivity is directly related to the installation. The higher the temperature of the installation environment, the closer the sensing distance. Color: White Material: plastic Package Contents: 1 x sensor(Requires a gateway no include) 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.