A fantastic flashlight that can be a mobile power for cell phonePackage Contents:1 x 3x XM-L2 T6 6000Lm Headlamp (Battery Not Include)1 x USB CableFeatures:CREE XM-L2 T6 HeadlampOutput bright can come to max 5000 lumensInternal wiring applies the high efficient booster circuit， working voltage is wide and can utilize the batteries in the largest extentWaterproofing design，adjustable head strapAdjustable base is provided for each head lamp， with back and forth inclinationPower by 2 x 18650 battery and chagre by USB， it can be a mobile power bank for cell phone when it's arm with batteriesSuitable for the outdoor activities， such as cycling， camping， traveling， hiking and etc.Model of LED: 3x CREE XM-L2 T6One button switch : 1x CREE XM-L2 T6/ 2x CREE XM-L2 T6/ 3x CREE XM-L2 T6/ FlashingModel of Battery required: 2 x 18650 Battery (Battery Not Included )Color: BlackDimension : 85 x 55 x 38mmWeight : 270g