High Tone Disc Horn Electric Length (In.) 5 Width (In.) 3-1/2 Height (In.) 2-1/4 Dia (In.) 5 Material Steel Finish Unfinished Bracket Mount Mounting Decibels (dB) 130 @ 1 meter 5 Amps Voltage 12VDC For Use With Cars Trucks Vans For Use On Fiberglass Metal Plastic Rubber Includes Mounting Bracket Jumper Wire Female Connectors