Attwood LED Bi-Color Boat Navigation Light This Attwood LED Bi-Color Boat Navigation Light features LED technology that keeps the light cool to the touch. It is designed to resist corrosion in even the most extreme saltwater environments with its completely sealed and watertight built. With a redgreen combination and built-in tell tale indicators, this boat navigation light meets or exceeds ABYC A-16 requirements and all applicable standards. Features LED Technology Keeps Light Cool To The Touch