Whether at anchor or underway, it’s important your navigation lights are both functional and clearly visible to nearby boaters. Intelligently designed for easy installation, maintenance and efficient light output, this 20 inch folding incandescent masthead/anchor light provides 3 nautical mile range of visibility in a 360 degree radius to enhance safe navigation in any venue. 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.