This traditionally styled Seachoice Dual Trumpet Horn infuses a boat with a classic look, and it delivers an impressive sound output of 109 dB. The trumpet tubes, mounting brackets, and motor covers are all corrosion-resistant Stainless Steel, so they'll retain their appealing finish and deliver reliable performance over the long run. This stylish Dual Trumpet Horn is 20 ¾ inches long and it comes with a rubber pad for secure, vibration-free mounting. This 12V horn installs using #10 screws. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.