Fully sealed and compact size designed for installation on a wakeboard tower, radar arch, hard top, poling platform, tuna tower, or other fixed structure. For pleasure craft up to 39.4 ft (12 meters). Attwood's proprietary optics design draws only 1.8 watts at 12VDC - the lowest power draw of any 2-mile all-round light on the market today. Lights are rated for 50,000+ hours of use. Meets USCG, 72 colregs• 2NM view for ships up to 12 meters• 10,5 - 14,4V DC• Fully sealed LED unit• Quickfit• Diameter 6cm, height 4,5 cm