One of the lightest, brightest, most comfortable headlamps available today. Features high and low lighting modes and a run time of up to 24 hours. This LED headlamp is so versatile, it can be used with a head strap, or simply clipped to the bill of a cap. This ergonomically developed LED headlight has been specifically engineered to minimize weight and maximize run time. The light's optimized center of gravity provides maximum wearer comfort and stability during use.