Mini Infrared Motion Sensor Human Body Detector — Movement Alarm with Temperature & Humidity Sensing, High Sound

Power and charging: Built with CR123A *2 replaceable rechargeable batteries and also supports USB 5 1A power supply for simple charging. Mobile alerts and history: The companion app sends push notifications for any abnormal events and lets you view alarm records and messages from all added devices. Temperature & humidity monitoring: Built-in temp and humidity sensors with customizable alarm thresholds so you can set the comfort range you prefer. Scene linkage: Can connect two devices via scene setting — for example, trigger a smart light bulb to turn on instantly when motion is detected. Additional features: Share device control with others, enable tamper protection (the app sends an alert if the housing is opened), toggle push notifications on/off, and easily remove or add the device when needed.