High Tone Horn Electric Length (In.) 7-1/2 Width (In.) 4 Height (In.) 4 Dia (In.) 4 Material Steel and Plastic Finish Unfinished Universal Mount Mounting Decibels (dB) 112 @ 1 meter 8 Amps Voltage 12 DC For Use With Cars Trucks Vans For Use On Fiberglass Metal Plastic Rubber