The Eufy Security Motion Sensor is a reliable and affordable motion detector that is designed to work with the Eufy Security system. It uses passive infrared technology to detect motion and can be easily mounted on walls or placed on flat surfaces. The sensor has a detection range of up to 30 feet and a field of view of 100 degrees, ensuring comprehensive coverage of your home. It can send instant alerts to your smartphone or trigger the recording of your Eufy cameras when motion is detected. The Eufy Security Motion Sensor is battery-powered and can last up to 2 years on a single charge, making it a convenient option for long-term use. With its affordable price and reliable performance, this motion sensor is a popular choice among homeowners looking to enhance their home security.