In the box: THX301 Driver module Installation hardware Instruction sheet * THX301 Flush Fit Single Color Thru-Hull Underwater Light in Blue The Lumishore THX301 is better and brighter than any flush fit single color thru-hull on the market, with 4,670 fixture lumens and a wide 110º light beam! The Lumishore Thru-Hull is suitable for many sizes and types of watercraft, including Sports Boats, Cruisers, Yachts, and Super Yachts. Lumishore Thru-Hull LED lights come with a compact electronic driver module to ensure trouble free operation for years to come. With unmatched light output and 110º light beams, no competitor comes close to Lumishore"s thru-hull product offering. * Features: Flush-fit, for transom, bottom mount, or hull-side mounting Brightest, most efficient LED for a compact Thru-Hull 4,670 Fixture Lumens (White) 110° Light beam Colors Available : Blue, Green, or White Profile: 9mm/0.4"; Diameter: 53mm/2.1"; 122mm/4.9"shaft Mounting Hole Requirement: 25mm/1" Lens: Toughened BK7 Borosilicate Marine-grade aluminum bronze housing Input voltage: 10-31 Volts; 3.75 Amps @ 12V, 1.8 Amps @ 24V Over voltage/current, reverse polarity, and thermal rollback protection