Waterproof to 197 feet, this is an LED flashlight you can take almost anywhere. A unique cooling system allows for use on land, unlike many diving flashlights. The advanced axial collimator creates an intensely focused beam, delivering 130 lumens of crisp, bright light up to 180 meters. Magnetic switch operation for complete corrosion resistance. Compact 6.3" length. Four-hour run time. Requires four AA batteries (not included). Weight: 7.76 oz.