AFI/Marinco Stainless Steel Mini Twin Electric Boat HornAFI brings a stainless steel Mini Twin Electric Boat horn that looks good on any boat. Totally sealed sound unit with type 304 stainless steel covers, diaphragms and mounting bracket.Features: dB Rating: 109 at one meter; Operates on 12 Volts; Sealed sound units; Covered in type 304 Stainless Steel; Max Amperage draw: 6 amps; Dimensions: 3" L x 8" W x 1.75" H; Click here to download AFI Stainless Steel Mini Twin Electric Boat horn manual