Main Features:  1. Tuya Smart ZB PIR Motion Sensor: A Tuya ZB Wireless Gateway Hub is a must to work with the PIR sensor,as well as a variety of ZB smart products,which is proved to be the bridge and control center for smart homes and plays an irreplaceable role for ZigBee products and realizes the whole intelligent linkage of your house.Simply add the sensor into the ZB hub after adding the hub into Smart Life/Tuya App.  2. Real-time Remote Monitoring: Whenever and wherever you are, once PIR detect people or animals are moving, you will receive a push notification by smart phones in Tuya Smart Life App. Keep your house safe all the time.When there is movement detected, the alert notifications will be pushed to your phone immediately, you can be aware of what's happening at home even when you're away.  3. Intelligent Linkage Alarm with More Sensors: When you get up at night, PIR detects your movement, light will on automatically.You can discover more smart scenes with Tuya smart devices to satisfy yourself to a large extent.You can even track the history of sensor activities with App supported.  4. Strong Performance & Ultra-long Standby Time: High sensitivity, and strong,stable network signal with the new ZB technology. Ultra-long standby time. Powered by 3V CR2 batteries(not included), can last for 2 year about.  5. Wide application for your whole house security: 3~7m detection distance,120~150° detection angle adjustable;simply stick it with the double-side tape or use with the bracket plate to fix it anywhere you like to monitor your whole home security;includes full 2-year warranty and 60-day refund guarantee for complete satisfaction.    Specifications:   Power Supply: CR2 3V 850mAh (not included);  Standby Time: 2 years;  Detection Angle: 120~150°;  Detection Distance:3~7m;  Wireless Connection Protocol: ZB;  APP: Smart Life/Tuya;  Support systems: Android and IOS;  Material: Superior ABS;  Operating Temperature: -10℃~ 50℃;  Operating Humidity:≤95%;  Package Weight: Approach. 82g / 2.9oz;    Package included:  1 x PIR Motion Sensor;  1 x User Manual