Features: 1.Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. 2.Its output brightness can up to max 5000 lumens. 3.One button switch design, with 4 adjustable modes. 4.LED indication of the charging adapter for Power On / Charging / Full charge. 5.Perfect headlamp fits for outdoor activities, such as camping, traveling, hiking, fishing etc. 6.With adjustable base for your convenient use 7.With Re / Discharging Protection circuit 8.Compatible for bicycle flashlight Specifications: Function: 3 x CREE XM-L T6 LED Headlamp with Batteries LED Type: CREE XM-L T6 LED LED Quantity: 3 Luminous Flux: 5000 lumens (Maximum) One Button Switch (4 Modes): 1 x CREE XM-L T6 / 2 x CREE XM-L T6 / 3 x CREE XM-L T6 / Flashing Battery: 2 x 18650 Lithium Battery (3.7v 3000mAh) Product Dimensions(L x W x H): 83 x 58 x 45mm Product Weight: 217g Package Weight: 381g 18650 Rechargeable Battery : Model: 18650 Voltage: 3.7V Battery Capacity: 3000mAh Size(mm): 64.5 (length) x 18.2 (body diameter) AC Charger : LED indication for Power On / Charging / Full charge Input :AC100-240v (World voltage) Car Charger: Input: AC100v-250v 50-60Hz Output: DC 4.2V±0.5V Package includes: 1 x Headlight 2 X 18650 Battery 1 x AC Charge 1 x Car Charger Attention: 1.The anode and cathode of the battery when putting it into the battery holder. 2.Do not irradiate the eyes directly, as the brightness light will harm the eyes. 3.Please take out the battery when the torch will be no use for some time.