Compared to its 50-watt competition, the Attwood underwater lighting draws only a fraction of the power while producing a significantly brighter output * Aside from efficiency and performance, Attwood underwater light is unmatched in ease of installation * Today"s underwater lighting products are extremely heavy, require a large thru-hull cut below the water line and involve several additional steps for installation. * With only a small hole for writing and 2 screws for attachment, Attwood"s LED surface mount design makes installation as quick and effortless as possible * Requires (2) #8 x stainless steel Phillips head screws (not included). 14 watts at 12 VDC.