high power rechargeable 3W Cree led flashlight rated operational voltage:3.7V Brightness: 120lumens visible distance:100m Battery: 1*18650battery Bulb:3W CREE LED flashlight Product size: 42*200mm Net weight:165g Burning time:3.5-5H Water proof: IP62 The life of LED:100,000Hour Function: 100% brightness,50% brightness,SOS Working hours for 100% brightness:3hours, 50%brightness:5hours Effective range:100m toughened ultra clear glass lens. best focus reflector for a flawless beam. rugged aerospace-grade aluminum body,hardest type IIImilitary grade black anodizing