Extend-a-Light Manual Stern Light Operates 12 Volt DC Systems For powerboats under 20 meters (65, 6 ft) Single LED Configuration 50 000 hours LED surface life Energy draw 350 milliamps Vibration and shock proof Sealed circuitry Requires 1 3/4"" (1, 75"") Hole Corrosion resistant construction Durable stainless steel telescopic pole Easily installed on new and used boats No change in current switch required Certified ignition protected IMCI Certified for ISO #8846 Easy Pull-Up/Push-Down Hand Operation Requires 20, 25 inches gunnel depth 2, 36"" diameter deck ring 20, 25"" below deck Length: 4" Product : INNOVATIVE LIGHTING MANUAL LED STERN EXTEND-A-LIGHT CHROME 4" Manufacturer : INNOVATIVE LIGHTING Manufacturer Part No : 514-1200-7 SKU: CW37227