Attwood LED 1-Mile Deck Mount Navigation Bow Side Light Completely sealed LED units resist water intrusion, electrostatic discharge vibration and ultraviolet light (UV) radiation Reverse polarity protection has been added to eliminate potential mis-wiring damage during installation Features high quality electro-polished stainless steel covers designed to resist corrosion Style and durability, most importantly, Attwood lights are built to stand the test of time LED stainless steel 1 mile deck mount navigation bow light (starboard/green lens)