This trimmer is powered by an NiMH battery to give you the freedom to go cordless, but also includes an optional power cord when you need to plug in. Designed for high performance and maximum comfort. Use the charging base or optional power cord when you need to plug in. Its high-performance rotary motor is housed in a stylish, ergonomic body to provide maximum comfort and reduce hand and wrist fatigue. Detachable, titanium coated T-blade snaps on and off for easy change-outs. Includes five comb guides, blade guard, cleaning accessories.