Dimensions: 4"; Construction: Aluminum; Color: Black; Battery: 1 AA Cell; Light Features: Clip l Batteries Included l High: 130 Lumens for 3h 45m; Other Info: Pure Beam Focusing Optic System with Slide Focus. Can also use rechargeable NiMH battery (not included) which produces 125 lumen output with 1h 15min runtime or rechargeable 14500 lithium battery (not included) which produces 345 lumen output with 45m runtime. Boxed.