Specifications: Rechargeable HeadlampCREE XM-L T6 HeadlampModel of LED: CREE XM-L T6 2R5 LED Headlamp with 4 ModesOutput 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 LED/ 2x Cree XM LED/ 3x Cree XM-L LED/ Flashing Car Charger : The built-in chip , be more safety Modes : YH-002 Input : DC12-24V Output : 4.2V/500mA Battery Charger : The AC adapter easily folds out to charge and pack away Suitable for 18650 Li-ion LED indication for Power On / Charging / Full charge AC110v-240v 50-60Hz input (international charger, can be used worldwide) Output: DC 4.2V 500mA Measurement: 84 x 46 x 33 mm(L*W*H) Weight: 72g Package Include: 100% Brand New1 x LED Headlamp1 x US/EU plug Charger 1 x Car Charger2 x 18650 battery1 x Retail Box