Dear Customer、Thank you for viewing our listing here.All of our products will ship with tracking number、please don`t worry about anything、enjoy yourself in our store. Thanks!ApplicationWaterproof Flashlights for Camping ?Biking? Working ?Hunting Fishing ?Riding ?Walking.1 =US Adapter2 =EU AdapterRechargeable Headlamp :LED HeadlampModel of LED: 3x T6Output bright can come to max 6000 lumens [lm]Waterproofing designAdjustable base is provided for each head lamp、 with back and forth inclinationInternal wiring applies the high efficient booster circuit、 working voltage is wide and can utilize the batteries in the largest extentOne button switch : 3x Cree T6 Model of Battery required: 2x 18650 3.7vColor: BlackDimension : 83 x 37 x 58mm Package Contents1x Headlamp Headlight;2x 18650 Rechargable 3.7v battery1x AC charge;1x USB Cable.