Features:Strong LED brightness， the brightness can be 30000 lumens.Adjustable headband with soft pad， comfortable to wear.The headlight can adjusted 90 degrees and you can have different view.With a charging interface on the battery holder， much more convenient for charging.Suitable for outdoor sport lovers to do some outdoor activities.Specifications:Material: ABSColor: BlackLumen: 30000 LumensMode: High Light， Low LightBattery: 2 * 18650 BatteriesLighting Time: 6 HoursDiameter: 8cm / 3.15inItem Weight: 204g / 7.19ozPackage Size: 13 * 10.5 * 8.5cm / 5.12 * 4.13 * 3.35inPackage Weight: 284g / 10.02ozPackage List:1 * Headlight1 * Charger1 * Box