Feature:1.Large Battery Capacity: Powered by 2 * 18650 batteries, this headlight will provide long-time lighting.2.Durable to Use: Made of aluminum alloy and plastic, it will have a long service life for you.3.Adjustable and Comfortable to Wear: Adjustable size design will allow it to show great comfort for you when you use it.4.4 Lighting Modes: High beam, low beam, all bright, strobe. Can meeting your different needs.5.IPX6 Waterproof: Waterproof design makes this headlamp absolutely suitable for outdoor use.6.90 Rotatable with 180 Lighting Angle: This headlight is 90 rotatable, providing wider lighting area.7.Wide Application: This item is applicable for camping, fishing, biking, running, reading, hunting and hiking.Specification:Type: USB Rechargeable HeadlightMaterial: Aluminum Alloy, PlasticIllumination Range: About 200m / 656ft (High Light)Waterproof Grade: IPX6Lighting Color: WhitePower Supply: 2*18650 Rechargeable Battery18650 Rechargeable Battery Voltage: 3.7VBody Color: As the pictures show (2 options)Strap Color: Black