Wahl's Lithium-Ion Cordless Haircutting Kit contains a rechargeable lithium-ion clipper that has up to a 2 hour runtime, 15 minute quick charge, and holds a charge for up to 1 year. It also has 50% more power than a standard Wahl clipper and self-sharpening precision blades that stay sharper longer. Achieve even cutting lengths with any of the included 12 attachment guards ranging in lengths from 1/16" - 1". These guards contain large easy-to-see comb sizes and secure-snap attachment clips that help the combs stay securely in place. Achieve your perfect look anytime, anywhere with the cordless convenience this hair clipper kit has to offer.