Sensor Guard - Wireless Motion Sensor

This device when placed on a wall or a table will continuously monitor a room. When the sensor is placed in monitor position any detected motion will activate a pleasant chime. When switched to alarm setting any detected motion will sound a loud 80dB alarm. The sensor covers a 26 foot range(8 meters). Easy to use and install. Includes wall/ceiling mount plate with brackets, no wiring required. The Sensor Guard uses three AAA alkaline batteries (Sold Separately). Size: 2 3/4: x 1 1/2" x 4 1/2"