Gerber 22-80000 Tracer Headlamp, White LED, Black Body.The Gerber Tracer's patented circuit booster drives a powerful L.E.D. beam from one abundantly available and inexpensive AAA battery. The Tracer utilizes an adjustable and removable over-the-top headband and weighs just 1.8 ounces in use. Emits a 30 foot beam from two Super-bright L.E.D.s, and offers the highest brightness/battery ratio of any headlamp. Equipped with 1 AAA battery that generates up to 40 hours of burn time. Water resistant. Get yours at Oso Grande today!