This wireless mini PIR motion sensor detects human body or animals that are moving, with a 105° detection angle and 5m detection distance. It can achieve real-time monitoring day or night and send alert notifications to your phone. The sensor has a long transmission distance, high sensitivity, and strong network signal, and is powered by 2 AAA batteries. It is compatible with Zigbee 3.0 and has a wireless range of 45m. The sensor is easy to install and use, and is suitable for home automation and security alarm systems.