professional commercial products, the Kemei 4640 clipper is designed for smooth, sharp, precise performance that with cordless , we try our best to provide excellent product and service for you, AJUSTABLE TAPER LEVER: The taper lever left can change the closeness between guide comb lengths, move it up for the closest cut and move it down for a longer cut, allows for easy transitioning of blending and fading ACCESSORIES INCLUDED: For your convenience, the Kemei clipper comes with accessories. Package includes the clipper, cleaning brush, instructions, red blade guard. QUALITY INSTRUCTION: All metal housing, this Kemei clipper is up to any challenge, The vintage throwback design combined with the era.