Ideal for boating, biking, sports events, camping, and much more. Aboard, approved for vessels up to 40 feet long. Top-button activation for easy, instinctive use in emergency situations; bright red horn color makes it easy to find even in the dark. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.