Promate LED Scuba Dive Torch Light for Snorkel VIDEO PHOTO Taking 3 X 3 Watt CREE LED (last 50,000 hours) (Color Temperature 7,500~10,000k) Battery Type: 4 X AA alkaline battery (not included) Burn Time: Approx. 2~6 hours (depends on brightness and batteries) Size: 135.3mmx90mm (head) x70.4mm (body) Weight: 283g w/o batteries and Y-S torch mount Luminous Intensity: Approx. 500 Lumens Beam angle: 80 degrees 5-Stages Control Modes: 1/4, 1/2, full, emergency flash (strobe), and S.O.S. Waterproof: 100m/330ft.