LITHIUM POWER _ Cord/Cordless operation _ 90 minute run time with 2 hour charge time _ Powerful and durable rotary motor _ Lightweight and sleek ergonomic design _ 5,800 RPM _ Features a ""STAGGER-TOOTH"" blade with ""CRUNCH"" blade technology for a smoother and faster cut. _ Alternating cutting paths: Stagger-tooth blade features tall square teeth alternating with small teeth in between, combined with the enhanced taper lever, making a longer throw for more efficient cutting. This results in a softer texturized finish, for a perfectly blended fade. _ High precision carbon steel blade _ Tackles larger, denser amounts of hair at one time without bogging down or pulling. _ Adjustable lever varies the taper and texture of the cut without changing the blade. _ Ideal for precision fades and blends."