4 ft. Lights include rubber gasket lens seals for enhanced internal corrosion-resistance. Attwood 1-Mile Deck Mount, Green Sidelight - 12V - Stainless Steel Hou 1-Mile Deck Mount, Green Sidelight - 12V - Stainless Steel HousingPart #: 66319G7Constructed of corrosion-resistant 304 stainless steel, these lights provide one-mile visibility for power boats up to 39. Each light provides 1-mile, 112.