Feature:Output bright can come to max 3000 lumens [lm]Waterproofing design ，not support divingInternal wiring applies the high efficient booster circuit， working voltage is wide and can utilize the batteries in the largest extent.Rotate the head to zoom.Aluminum alloy casingAluminum alloy reflectorAdjustable base is provided for each head lamp， with back and forth inclination3 switch Mode: Strong Brightness / Normal Brightness / Flashing100v-240v Battery Charger ( LED indication for Power On / Charging / Full charge )Power by: 2 x 18650 rechargeable li-on battery(not include)Brand new and high quality.Charger plug: AC Charger Package Included:1 x CREE XM-L T6 Led Headlamp1 x AC charger