WAHL Professional 5 Star Series Cordless Senior Clipper WA8504400. 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-Gap Capabilities. The 5 Star Cordless Senior Offers A High Quality Lithium-Ion Battery With 80 Minutes Run Time Per Charge And It's Ergonomic Design Fits Comfortably In Hand For Easy Maneuverability.