Apex Marine Horn with Built-In Bow Navigation Light Base – USCG & NMMA Type Accepted, Compact 2-in-1 Boat Horn & Nav Light Mount, Waterproof Marine Electrical Assembly ULTRA-STABLE & RELIABLE BOW LIGHT MOUNT Designed to securely hold your navigation light pole—providing a stable, convenient mounting point at the bow. Supports lights with visibility up to two miles and is suitable for boats up to 12 meters (39.4 feet) long. COMPACT & SPACE-SAVING DESIGN - Perfect for smaller boats where deck space is limited. Measures 5" L × 3" W × 3.4" H with a low-profile 1.5" horn height. Features 2" front hole spacing, 0.75" rear hole spacing, and 4.65" front-to-rear mounting distance for quick, hassle-free installation. LOUD & RELIABLE MARINE HORN Delivers strong, clear sound for signaling and safety alerts—ideal for low-visibility conditions and busy waterways. WATERPROOF & MARINE-GRADE BUILD Sealed construction with corrosion-resistant materials—built to withstand saltwater, rain, and harsh marine environments. ABYC C-5 STANDARD COMPLIANT | USCG & NMMA TYPE ACCEPTED - Engineered to meet required marine safety standards for navigation lighting—providing reliable, compliant visibility in night and low-light conditions.