This ceiling-mount passive infrared (PIR) motion sensor is one of the smallest 360° detectors available, making it ideal for discreet installation in small to medium-sized rooms. With floor coverage of up to 22 feet and optimal performance at ceiling heights up to 7 feet, it offers reliable motion detection while blending seamlessly into any interior décor. For best results, install the sensor in the center of the protected area. | Spt | | Wired 360 Fov Ceiling Mount Pir (Passive Infrared) Motion Sensor (2-Pack) | Best Buy