RechargeablePowered by single 18650 battery， rechargeable by USB， the hidden micro USB port can support various charging method， such as power bank， adapter.RemovableThe headlamp is detachable， easy to carry， you can slip it into your pocket.AdjustableThe nylon headband is fully adjustable， you can adjust the headband according to your height.6 lighting modesHigh light / Low light / Gradual dimming / Strobe (press twice quickly) / SOS (press twice quickly) / Slow strobe (press twice quickly).Specification:Light Color: WhiteLED bulbs: CREE XML-L2Brightness: 1200 lumensHead rotation: 180 degreeMaterial: aluminum alloyNet weight: 118g (including battery)Headlamp dimensions: 8.5 x 2.5 x 3.6 cmWaterproof: IPX-6 Daily Waterproof， Rain protectionPower Supply: 1 * 18650 Battery (included)LED Model: High / Low / Continuous / Strobe / SOS / Slow Strobe DimmingThe package includes:1 x Rechargeable and removable LED headlamp1 x 18650 battery1 x USB cable