WiFi Tuya PIR Motion Sensor Wireless Human Body Movement Infrared Detector Home Security Alarm System (without Battery) ?Smart Trigger: After the sensor detects an alarm,it will auto turn on the sound alarm or turn on the light ?Infrared induction: It can detect the infrared radiation from the body temperature,and then push the alarm information to your phone ?Low Power Reminder: When it detects that the battery is low,it will actively push the message to the APP ?Wide Angle: The mounting bracket can adjust the detection angle of the sensor and can adapt to more use scenarios ?Easy to Install: It provides two installation methods,mounts with adhesive tape or screws ?Smart Home Full Guard: Support multi-device controlled enjoy your smart home with WiFi,smart home devices ?How to download APP: Search Google Play Store or for App Store,then search "Smartlife"or "tuya Smart" and install it. You can also scan the OR code below to download ?Size: 45 x 70 x 63mm ?Note: ?1. It will not trigger an alarm when the objects within the inspection range are constantly moving,to avoid frequent notifications disturbing you and your family. ?2. After sending an alarm notification to your mobile phone for the first time,the interval between each inspection & Alarm should be longer than 30 seconds. Package included: ?1 x Motion Sensor ?1 x Cable ?1 x Set of Accessories ?1 x English User Manual