1、Convenient to Use: Has large adjustable angle and special lamp base curve, that the lamp can fit your head and sble ot light every angle you need, for no light blind angle. 2、Comfortable Wearing: Has quality aluminum alloy shell and super elastic nylon head band, comfortable to wear and can adjust the band circumference according to the head size. 3、IPX5 Waterproof Grade: Has IPX5 waterproof grade for safe use in wind and rain, there has no need to worry about the lights breaking down because of the weather. 4、Wide Application: Ideal for outdoor, mountaineering, fishing and night cycling to make your view field more bright and safe, suitable for daily use. 5、Package Content: The package contains only a light and date cable, other accessories like batteries need to be prepared by yourself, please make sure you are clear about this. 1 x Headlamp(Battery Not Included)1 x Date Cable Item Type: Head LampsMaterial: Aluminum AlloyModel: 2089Color: As Picture ShownApplication: For Outdoor, Fishing, CampingWeight: Approx.337g/ 11.9ozBattery Type: 2 x 18650 Batteries(Not Included)Charging Method: USB ChargingGear: HP70 4 Gear: Weak Light + Strong Light + Flash + SOS, Any Gear Long Press Shutdown; Battery Warning Light Gear 1: Alternating Red And Blue FlashingWaterproof Grade: IPX5Luminous Flux: 1500-1800lmIndicator Light: Power Display Support Output 5V1ARange: 200-300m/ 218.7- 328.1yd