attwood LED 1-Mile Deck Mount Navigation Bow Light, Stainless Steel Attwood presents the most energy efficient LED navigational lights in the world Our line of 3500 and 5500 series navigational lights exceed US coast guard requirements Completely sealed LED units resist water intrusion, electrostatic discharge Our LED navigational lighting also features high quality electro-polished style and durability Rated for 50,000+ hours of use and protected by a 10-year warranty, 1 NM, bi-color