The Ring Alarm Motion Detector is a top-rated motion sensor that seamlessly integrates with the Ring Alarm security system. It uses advanced infrared technology to detect motion in its field of view and sends instant alerts to your smartphone. With a range of up to 30 feet and a 110-degree field of view, it provides reliable coverage for your home or office. The motion detector is easy to install and can be placed on a wall or ceiling. It is battery-powered, so you don't have to worry about wiring or power outlets. The Ring Alarm Motion Detector is highly rated by customers for its accuracy, sensitivity, and reliability.