Wireless Driveway Alarm, Product Type Wireless Driveway Alarm, Includes (3) Mounting Posts, Receiver, Sensor, Transformer, Transmitter Module, For Use With Monitoring Parked Boats, Motorcycles, RVs, Overall Length 16 3/4 in, Color Black, Compatible with Grainger Part Number 8DFT2, 8RLJ4, 9JH02, 9V219, Manufacturer Warranty Length 1 yr