Motion Detector Store Doorbell Alarm Outdoor Detector Wireless Doorbell Set Display

Communication range up to 150 m and detection range up to 4-5 m. Each recipient of this motion detection alarm can work with up to 20 motion sensors. The sensor is mounted and operates on two AAA batteries and the receiver plugs into a standard socket. The security sensor for the doorbell motion sensor detects motion up to 110 degrees. The alarm volume is up to 115dB with 58 different chimes and 5 adjustable volumes for volume range.