Features:3-mode brightness: high， low and strobe.Specifications:Item color: BlackLumens: 800LMLight color: WhiteCrust material: Aluminum alloyLED type: CREE Q5Reflector: Mirror reflectorSwitch location: BottomPower source: 3 * AAA or 1 * 18650 battery (not included)Item size: 43.5 * 3.9 * 3.5cm / 17.13 * 1.54 * 1.38in (length * head diameter * bottom diameter)Item weight: 375g / 13.24ozPackage size: 44 * 4.5 * 4.5cm / 17.32 * 1.77 * 1.77inPackage weight: 416g / 14.66ozPackage includes:1 * LED Flashlight1 * AAA Battery Holder (not include battery)