Pencil sharpener combines an attractive vertical design with a battery-powered, stall-free motor for the ultimate office essential. The compact, space-saving shape is the perfect complement to your work space or on-the-go. SharpStop mechanism automatically shuts the motor off to prevent oversharpening. Shaving receptacle is easy to clean. The motor shuts off for safe cleaning when the tray is removed. The Vertical Battery Pencil sharpener is powered by four AA batteries (sold separately).