Most Powerful LED Headlamp COB+ Waterproof Headlamp DC USB Rechargeable Headlamp Headlamp Using 18650 Battery Features: It is small in size, easy to use and easy to carry. Adjustable headband for ergonomic design. Two independent buttons for 6 lighting modes (T6 Highlight - 2*COB Medium - T6+2*COB Bright - T6+2*COB Flash) to meet your different needs.< br>Each headlight is equipped with an adjustable base that tilts back and forth. Suitable for outdoor activities such as camping, hiking, backpacking, night fishing, exploring caves, etc. Specification: BT-005 Material: ABS LED model: 1*T6+2*COB Product color: black Light color: white Lighting mode: 4 modes Battery: 2x 18650 battery Switch type: independent button switch Weight: 150 Car charger: Built-in chip, more Input: DC12-24V Output: 4.2V/500mA This headlamp is suitable for security guards, camping, caving, barbecue, running, jogging, night walking, climbing, mountaineering, fishing, hunting, night reading, car repair, DIY work or emergency such as fire, hurricane, power outage. Battery charger: AC adapter folds easily for charging and storage Suitable for 18650 Li-ion LED indication for Power On / Charging / Full charge Input AC110v-240v 50-60Hz (international charger, can be used worldwide) Output: DC 4.2V 600mA