Rechargeable Headlight with Smart Sensor technology. Comes with mini-USB charging cable. Ultralight, simple, and compact headlamp includes a built-in battery that can be recharged directly with a USB cable (charging cable included) 2 settings: One for always on (with 3 brightness settings), and one to allow you to just wave your hand in front of the light to turn it off or on Includes SOS setting, by holding down the power button for 2 seconds Full recharge time is 3 hours Technical Specs Best Use Backpacking/camping Bulb Type LED Lumens 120 Brightness Levels 3 Weight 2 oz. (60 g) Run Time 3 - 15 hours, depending on brightness setting Dimensions 5 x 3 x 3.6 cm Battery USB rechargeable