The Cordless Oster Fast Feed is a professional series rechargeable clipper with powerful lithium-ion battery that provides 90 minutes running time. The adjustable blade moves from size "1" to size "000". The adaptive speed control ensures constant speed when cutting through dense hair. The clipper comes with a convenient charging stand and 4 guide combs. The Cordless Fast Feed is a versatile, reliable tool which will work as hard as you do.