The 5 Star Cordless Senior is a one of a kind clipper with it's precision fade blades, metal bottom housing and cord/cordless capabilities. It's powerful rotary motor results in consistent power to tackle thick hair. The 2191 blades are adjustable with zero-overlap capabilities. The 5 Star Cordless Senior offers a high quality lithium-ion battery with 80 minute run time per charge and it's ergonomic design fits comfortably in hand for easy maneuverability. Type Professional Cord/Cordless Clipper Drive unit DC motor, 6,500 rpm Operation time Continuous operation Blade Set Art. 02191-100 fixed, Chrome Blade with taper lever Cutting length 0.8 – 2.5 mm.