The Wahl Sterling 4 Clipper 8481 is designed for professional use in salons and barbershops. Its precise cutting and trimming are due to its strong rotary motor and 3-inch blade. It can be used in corded and cordless settings. The lithium-ion battery can hold a charge for up to 90 minutes. Wahl Sterling Clippers come with eight trimming guides, measuring up to 1 inch long. An adjustable taper level, cleaning brush, and blade guard are also included.