Underwater Kinetics C8 eLED Plus Flashlight (Black) 290 lumens, 406.8/124 ft/m Lamp: 19935 eLED module Burn time: 11 hours in air/ 4 hours in water High intensity 6-watt twin LED module with propriety conductive cooling element shines 40% brighter underwater Waterproof 500 feet/152.4 meter