Compared to its 50-watt competition, the attwood underwater lighting draws only a fraction of the power * Aside from efficiency and performance, attwood underwater light is unmatched in ease of installation * Attwood"s LED surface mount design makes installation as quick and effortless as possible * With only a small hole for writing and 2 screws for attachment * Requires (2) number 8 x stainless steel Phillips head screws (not included), 14 watts at 12 VDC