High Tone Industrial Disc Horn Electric Length (In.) 5 Width (In.) 2-1/4 Height (In.) 3-1/2 Dia (In.) 5 Material Steel Finish Unfinished Bracket Mount Mounting Decibels (dB) 108 @ 1 meter 5 Amps Voltage 12VDC For Use With Commercial Industrial Equipment For Use On Fiberglass Metal Plastic Rubber Includes Strip Mounting Bracket