Smoothly contoured Bi-Color Deck Mount lights are easy to install and easy to service. Designed for use on boats up to 65 6” (20m) in length, Attwoods Quasar Bi-Color Deck Mounts are built to meet the requirements for recreational boats operating between sunset and sunrise. A single locking screw connects the cap and base for easier installation, disassembly, and maintenance. The smooth contour design helps prevent lines from getting caught on the housing while the resin lenses are tuned for maximum visibility. Key Features Stainless steel electrical contacts for corrosion resistance USCG approved with 2 miles of visibility Can be mounted horizontally on gunwale or deck Meets international ABYC A-16, COLREG 72 and other standards Lens resin color tuned to the sensitivity of the human eye for maximum visibility Single external stainless steel screw lock attaches cover to base 1/4” stainless steel contacts or 7" hard wire leads for connection to 12VDC power supply Replacement Bulb: Model 6704779 Replacement Lens: 912392BIncludes 8W festoon bulb For more information regarding Quasar Navigational Lights, please refer to the following instruction manual.