An attractive vertical design paired with a battery-powered, stall-free motor make this sharpener the ultimate office essential. The compact build is the perfect complement for any workspace, big or small. Equipped with a SharpStop mechanism, the motor shuts off to prevent over-sharpening. Not only is the units shaving receptacle easy-to-clean, but it also boasts a motor shut-off feature for safe cleaning when the tray is removed. Powered by four AA batteries sold separately. Sharpener Type: Electric Power Type: Battery Batteries Required: 4 AA Sold Separately Intended-Use Environment: Home Office.