This red pencil sharpener is powered by 4 AA batteries, freeing you from the electric cord and allowing you to take your sharpening on the road! Perfect for kids, teachers, or artists, each unit features a powerful motor with stall-free operation that's designed to shut off when it detects a pencil is fully sharpened! A compact, space-saving design makes this red sharpener ideal for crowded desktops, book bags, desk drawers, and more. A safety switch even prevents the unit from running whenever the shavings tray is removed so you can feel comfortable leaving this sharpener in classrooms or with children.