"Ear Mount" waterproof amber side marker light. Complete your waterproof lighting package with this fully sealed side marker light. Constructed of extra-tough polycarbonate to resist breakage. The light bulb is contained in a waterproof compartment and comes with a 15" lead wire.
Dimensions: W = 3 5/16" H = 1 5/16" D = 1" Wesbar #203286
Good place to shop, had what I needed.