Wahl Professional 5 Star Senior Hair Clipper is powered by quiet and cool running V5000 motor. It has high precision blades for accurate cutting of hair that allows you to adjust up to zero-overlap. Adjustable lever allows you to adjust fade, taper and texture of the cut without changing the blades. Ergonomic shape design helps reduce hand wrist fatigue. This Wahl Hair Clipper has durable metal case that last for years.