This compact battery-operated pencil sharpener has been designed with the demands of the modern user in mind. It is both easy-to-use and very fast - simply perfect. Portable; compact and handy; this sharpener automatically sharpens in seconds when pencil is inserted and safety feature cuts power when tray is removed. For standard (8mm) diameter pencils. Safety Cut-Out. Weight 150g and dimensions 73 x 79 x 68mm. Requires 4 x AA batteries (not included). Each.