Underwater Kinetics Light Cannon 100 Flashlight 450 lumens, 531.5/162 ft/m, HID Metal Halide (6000 degrees K) 3-4 hrs (batteries), 2 hrs (rechargeable battery pack) Powered by disposable alkaline batteries or rechargeable UK NiCad Upgrade kit, Also uses individual nicad or NiMH C-size batteries Waterproof 500 feet/152.4 meter