Save money over the cost of standard batteries with the Enduro Pro USB rechargeable headlamp. You'll always have the light you need with Spot and Flood beams, each with high, medium and low modes. Spot gives you a bright, focused beam and Flood gives you soft, area illumination that won't tire your eyes on a long job. It's tough, polycarbonate thermoplastic construction with elastomer over mold; Unbreakable polycarbonate lens; recessed to prevent scratches, remembers last mode used; defaults to low beam when powering on. Limited Lifetime .