Streamlight ProTac HL USB Headlamp w/cord The HL® Series now has a hands-free, USB rechargeable lighting solution! When your task requires both hands and a bright light with a wide, flood beam, reach for the ProTac HL USB Headlamp. Charge on-the-go using almost any USB source, and since it accepts multiple battery sources as a backup, youll always have power when you need it. TEN-TAP® Programmable switch allows user selection of one of three different programs: 1.) High /medium/low 2.) High only; 3.) Low/medium/high Three lighting modes: 1) High for super-bright light: 1,000 lumens; 13,500 candela; 232m beam; runs 1.5 hours 2) Medium for bright light and longer run time: 400 lumens; 5,400 candela; 147m beam; runs 2.75 hours 3) Low for a less intense beam and extended run time: 65 lumens; 900 candela; 60m beam; runs 20 hours. Features: Solid State power regulation Maximum light output throughout battery life Durable, anodized aluminum construction 8.1 oz. (299g) Limited Lifetime Warranty