attwood LED 2-Mile Deck Mount Navigation Bow Light, Stainless Steel, Red/Green 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 with the fewest Completely sealed LED units resist water intrusion, electrostatic discharge (during assembly) Our LED navigational lighting also features high quality electro-polished Style Rated for 50,000+ hours of use and protected by a 10-year warranty, 1 NM, Bi-color