Smaller "Space Saver" Thru-Hull Mount Underwater Light(0175)Polished Brass with Mounting Ring10 Feet of 18/2 Electrical CableSafety Seal Design Prevents Water Intrusion in the Event of Glass BreakageTerminal for Bonding WireTech Info12 Volt, 35w, 2.9 AmpsBulb: 30 Beam1300 LumensLab Rated Bulb Life: 3500 HrsLength Overall: 5-1/4"Flange Diameter: 2-7/8"Mounting Hole Diameter: 1-3/4"