Rechargeable Headlamp :CREE XM-L T6 HeadlampModel of LED: 3x CREE XM-L T6 LEDOutput bright can come to max 6000 lumens [lm]Internal wiring applies the high efficient booster circuit， working voltage is wide and can utilize the batteries in the largest extentWaterproofing designAdjustable base is provided for each head lamp， with back and forth inclinationOne button switch : 1x Cree XM-L T6/ 2x Cree XM-l T6/ 3x Cree XM-L T6/ FlashingModel of Battery required: 2x 18650 3.7vColor: BlackDimension : 83 x 37 x 58mmWeight : 219gUSB line:you can use All USB interface; e.g. Car;Computer;USB charger Wall Charger :LED indication for Power On / Charging / Full chargeInput: World voltageOutput: 4.5V， 400mA Package Contents100% Brand New1 x Boruit 3x CREE XM-L T6 LED 6000Lm Rechargeable Headlamp1 x USB Line1 x AC charger for the headlamp 85v-265v2 x 18650 3000mAh Rechargable battery