Provides outstanding illumination to ensure boat is visible on the water, enhances boat operator’s view of the surroundings. "Reduced Glare" design focuses light beam above operator's line of sight, reducing glare and improving overall night vision. Reliable light meets CE and USCG requirements for 2 nautical mile visibility for sailboats or powerboats under 66 feet. Light is 48 inches tall, has a 10W (ANSI code 906) bulb. Also fits Seachoice base 08261, and Perko bases 1046, 1059 and 1060 (each sold separately).