Contour Anchor Light - 39 - Black Shaft White BaseLED Navigation Anchor Light - The design says it all. Unobtrusive, durable, reliable, with striking good looks. The slimmest profile in the industry and a locking retractable base. Select from 12 or 1m heights. U.S. Coast Guard approved 2nm.FeaturesUSCG approved to 2 nautical mile 2NMSlim profile with small footprintAvailable in 121 ft and 391M lengthsRetractable design with lockable baseEasy installation with 2-wire hookupVoltage 10-30V DC Speci