The Arlo Pro 3 Motion Sensor is a top-rated motion detector that offers advanced features for enhanced security. It is designed to work seamlessly with the Arlo Pro 3 security camera system. The motion sensor uses passive infrared technology to detect motion and sends instant notifications to your smartphone. It has a detection range of up to 25 feet and a 130-degree field of view, ensuring comprehensive coverage. The Arlo Pro 3 Motion Sensor is easy to install and can be mounted on walls or placed on flat surfaces. It is powered by a replaceable battery, providing long-lasting performance. Customers praise the Arlo Pro 3 Motion Sensor for its reliability, sensitivity, and integration capabilities with the Arlo ecosystem.