1-Mile Deck Mount, Bi-Color Red/Green Combo Sidelight 12V Stainless Steel Housing. Part # 66318-7. Constructed of corrosion-resistant 304 stainless steel, these lights provide one-mile visibility for power boats up to 39.4 ft. 12 meters . Lights include rubber gasket lens seals for enhanced internal corrosion-resistance. Includes one 7.5 watt lamp. For connection to 12 VDC power supply. Installs with three #6 mounting fasteners not included . Provides 1-mile, 225 degree light visibility. Features 1-Mile. Bi-Color Red/Green Combination. 225 Degree. Stainless Steel Housing Part # 66318-7. Constructed of corrosion-resistant 304 stainless steel, these lights provide one-mi Bi-Color Red/Green Combination. 225 Degree