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Description: Wireless flexibility allows door/windows protection even where the sensor must be totally concealed. The sensor is placed in the door frame and the magnet is located in the door. Features: Sensors are completely concealed when installed Lithium battery for long life Supervision assures proper operation of sensors Specifications: Color: White Dimensions: .625" diameter x 3.75" deep hole; magnet requires a .625" diameter, .625" deep hole Batteries: 3.0 VDC custom lithium battery |