-Now with removable battery for fast, easy replacement and no downtime -Heavy-duty, detachable blade clipper in a cordless design delivers a 2.5-hour run time on a 2-hour charge. -Lithium-ion power mated with powerful rotary motor to cut any hair type - wet or dry -5 speeds: Adjustable from 1,800 to 3,800 strokes per minute. -Ceramic blade runs cooler and stays sharper. -Works with all UltraEdge and CeramicEdge blades.