The Master® Cordless Lithium-Ion Clipper is Andis top of the range professional clipper for superior haircutting results, In addition to corded use, the Lithium-Ion battery allows for over 90 minutes of cordless use on a single charge, and an LED light shows the power charge during use as a handy indicator of battery levels. Incredibly fast blade speeds of over 7,200 SPM with no dragging, snagging, or slowing down! The housing is made of durable aluminium that will last for years. The carbon-steel blade is adjustable from fine to coarse hair (#000 to #1).