Attwood presents the most energy efficient LED marine lights in the world. Through the use of proprietary optical design techniques, we"ve optimized our lens design to harness nearly 90% of all light being generated by the LED. * As the emerging leader in marine lighting design, Attwood understands the demands of the marine environment. Completely sealed LED units resist water intrusion, electrostatic discharge (during assembly) vibration and ultraviolet light (UV) radiation. * The result Style and durability. Most importantly, Attwood lights are built to stand the test of time. Rated for 50,000+ hours of use and protected by a 10-year warranty, you can count on Attwood products to light your way for years to come. * Includes horizontal and vertical bezels