Light output: High - 251 lumens; Low - 58 lumens. Runtime: High - 5 hours 45 minutes; Low - 10 hours. Beam distance: High - 196 meters (642 ft); Low - 66 meters (216 ft). 4 X AAA batteries (included). Aluminum casing; Rubber rear switch. High and low output modes. Impact and water resistant. 7.2 ounces (including batteries). 5.54 inch length. Diameter: Body - 1.24 inches; Bezel - 1.49 inches

Warning: Cancer and reproductive harm: https://www.p65warnings.ca.gov/