Tips: When the lamp is used as headlamp，it can be charged， not charged as flashlight or bike lamp.Features:Model of LED: CREE XM-L T6.Output bright can come to max 3000 lumens.Can be used as a Headlamp/Flashlight Torch/Bicycle Light.Waterproofing design， but do not put it into water directly3 Mode: High/Low/StrobeAdjustable focus range for different usage.Roll the Light Head from left to right or from right to left to adjust focus.Extensive Lifetime of CREE LED: Up to 100，000 hours.Type of Battery : 1X 18650 or 3 X AAA batteries (not included)Color : Black&GoldSuitable for most indoor like home maintenance and outdoor activities like camping， fishing， hiking， map reading， night fishing， night flying，sailing， caving and hunting etc.Specification of 18650 Battery:Color: RedType: Rechargeable li-ion batteryModel: 18650Voltage: 3.7VCapacity: 4800mAhSize: Approx. 6.6 * 1.8cm / 2.6 * 0.7in (Height * diameter)Package Included:1 x CREE T6 LED Headlamp1 x AAA battery Holder (Battery was not included)1 x 18650 Battery