Specifications:MaterialAluminum alloyLens materialPC lensLight source color temperatureWhite lightDirect chargingNoFocusingNoGear positionOnelumen20lmVoltage1.5VColorCoffee, red, blue, blackSize93x 20mm / 3.66x 0.79inchWeight16.5kgFeatures:With a lumen light, the brightness reaches 20 lumens.Intelligent digital circuit control, working current 150mAh, voltage 1.5V.The outer casing is made of aerospace aluminum alloy.O-sealed waterproof ring for effective waterproofing.One A battery, continuous use for more than 8 hours.Package Includes:1 x 20lm FlashlightNote: not include battery