The SimpliSafe Motion Sensor is a highly-rated motion detector that is designed to work with the SimpliSafe home security system. It uses passive infrared technology to detect motion and can be easily installed in any room or hallway. The sensor has a detection range of up to 30 feet and a field of view of 90 degrees, ensuring comprehensive coverage of your home. It can send instant alerts to your smartphone or trigger the alarm system when motion is detected. The SimpliSafe Motion Sensor is battery-powered and can last up to 5 years on a single charge, making it a low-maintenance option for long-term use. With its reliable performance and seamless integration with the SimpliSafe ecosystem, it's no wonder why this motion sensor is a popular choice among homeowners.