High Tone Horn Electric Length (In.) 16 Width (In.) 7-1/2 Height (In.) 4 Dia (In.) 4 Material Stainless Steel Finish Unfinished Universal Mount Mounting Decibels (dB) 115 @ 1 meter 6 Amps Voltage 12 DC For Use With Boat Marine Applications For Use On Fiberglass Metal Plastic Rubber