Each light provides two-mile, 112.5Âlight visibility * Smooth contour prevents lines from snagging on housing. Available in a variety of finishes * Single external stainless steel lock screw attaches cover to base, permits easy disassembly for servicing * Stainless steel electrical contacts will not corrode * Attaches directly to deck with concealed #10 fasteners- or to one of the sidelight snap-on bases