Misun outdoor Miners LED Headlamp, LT066 USB 5000 Lumen Headlight 3x CREE 3&times;L2 XM-L 4 Modes Rechargeable Led USB Headlamps Head Lamps Led Headlight Bicycle Light Flashlight Head Torch with AC Charger for Camping Fishing Hiking Traveling . Its output brightness can up to max 5000 lumens. . One button switch design, with 4 adjustable modes with AC charger. . LED indication of the charging adapter for Power On / Charging / Full charge. . Working voltage is wide and can utilize the batteries in the largest extent. . Perfect headlamp fits for outdoor activities, such as camping, traveling, hiking, fishing etc.