Always cool running; astonishing cutting power; exceptionally lightweight; amazingly quiet. This powerful 5500 strokes per minute clipper maintains constant cool running blades and body. Utilizes the 5-in-1 adjustable detachable blade set (size #9-surgical 40). The newly improved blades have superior tooth geometry for faster feeding and a corrosion inhibitive finish to prevent rust and promote longer blade life. Detachable NiMH rechargeable battery can run up to 80min non-stop. INCLUDES: clipper and blade, 2 battery packs, soft storage case, charging base, four slide on guide combs (size 1/8"-1/2"), cleaning brush, blade oil, blade guard and instructions.