Powerful headlamp with powerful rechargeable batteries built into the headlamp!charges VIA USB cable!! Sufficient Brightness: The beam distance is up to 30+ feet when it is on the brightest setting. The illuminating area is wide enough for running or working.4 LED Models: Battery Saver Model(1 large light); Medium Brightness (2 small lights); Ultra Bright Model (3 lights) ; “SOS” Flashing Strobe Mode(3 lights) will quickly catch attention without delay.Water Resistance for Outdoor Use: it is protected against splashing water from all angles. Tough enough for many outdoor activities, such as running, hiking, hunting, fishing rain etc, and indoor working light.Adjustable Head Strap & Illumination Angle: Adjustable strap makes it fit most people. A 90-degree adjustable lamp head give you oriented lighting.Hands free, hassle free—why waste your time and money fiddling with flashlights and buying extra batteries for your head work light? With our rechargeable headlamp, you can have a reliable, hands-free led headlight to brighten up your environment, leaving you free to work, read, and explore whenever and wherever you want. ★Package List : headlamp+battery+charger+USB