Attwood 5350-PA20-7 All-Round Incandescent Fold Down Navigation Light, Horizontal Mount, Black Base, 20-Inch - Features the LightArmor Fold-Down base. Durable, easy to use, easy to install horizontal mount. Folds forward or back. - White light with 360 degree visibility up to two miles - Light is mounted on the 20 bright anodized aluminum pole with shock, corrosion and waterproof electronics. - Single-handed cam-lock operation. - For use on boats to 12 meters/39.4 feet long