Attwood Water-Resistant Portable Clamp-On LED Light Kit with Marine Gray Finish. Be safe, and be sure you are seen with Attwood’s most durable, and portable LED navigation lights. C-clamp mount goes on or removes quickly for versatility. Powered by 3 AAA batteries; marine gray color. 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.