DescriptionCustom Best Buddy Tools® Nightline COB LED Rechargeable HeadlampNightline COB LED Rechargeable Headlamp has an adjustable elastic headband for comfort and a dual LED (86 lumen) & COB (61 lumen) bulb. Light unit is removable and has a magent on the end for hands-free work option. Powered by one built-in 18650 rechargeable battery with charging cable and direction included.