Back Up Alarm, Maximum Sound Level 107 dB, Overall Length 3 1/2 in, Overall Width 1 1/4 in, Overall Height 4 in, SAE Type Rating Type B, Color Black, Housing Material Plastic, Current 0.2 A, Features Buses and Recreational Vehicles, Compact Size and Easy to Install, Delivery Vans, Forklifts, Polarity Protection, Steam Cleanable, Suitable for Installation on Trailers, Trucks, Includes Wire Leads, Standards SAE