Fold-Down Incandescent Anchor/Masthead Light - 12" Vertical Composite Base - 12V, Three-mile, 360° light visibility for use on boats up to 65.6' (20M). Assembly includes Light Armor updated bases. Robust and easy to use, Freshwater and saltwater compatible, Simple, one-piece lens is sealed from water, Concealed, protected wiring at the base, Uses two festoon-style 8W lamps, Typical installation requires (2) #10 stainless steel screws of length suitable for deck or rail material, Will collapse and not break if accidentally hit.