The latest in air horn technology, the Bad Boy horn produces a powerful dual tone air horn sound that is two times louder than a factory installed horn. One-piece design requires no hoses and installs in minutes. Simply transfer the factory horn wires to the compressor and mounts with one bolt included in kit. The Bad Boy is compact in size to fit any RV, car, truck, motorcycle and any 12-volt vehicle that wants a loud air horn sound. Heavy-duty maintenance free compressor will provide years of dependable service. Size: 2-1/2" W x 4-1/2" L x 4-1/2" H. Priced each.