Innovative Lighting Marine Hull Mount Horn - Black. For use with vessels under 12 meters (39.4 feet). This drop-in hidden horn uses "SETS" horn technology and draws less than 1/2 an amp. The unit is polarity protected and features a solid state with no moving parts. Includes a built-in water evacuation drainage system and a mounting gasket. This horn requires Jig Saw or Router for installation. Available in black white and chrome colors. Features of Innovative Lighting Marine Hull Mount Horn Designed for use with 12 or 24V DC systems For use with vessels under 12 meters (39.4 feet) Uses "SETS" horn technology and draws less than 1/2 an amp Requires Jig Saw or Router for installation Horn Color: Black Package Contents: Innovative Lighting Marine Hull Mount Horn Innovative Lighting 541-0000-7: Marine Hull Mount Horn - Black