Professional, electric sharpener is designed for office, home and school use in high-capacity environments Smart Stop feature shuts off and illuminates when the pencil is sharp to help prevent over sharpening. Safe Start feature doesn't let the sharpener start unless the high-volume receptacle is in it's place. Large, multiple-hole selector is perfect for different-sized pencils. Quiet, yet powerful motor. Backed by the manufacturer's 8-year limited warranty on dual-helical cutters. X-ACTO Pencil Sharpeners part of a large selection of office supplies. X-Acto(TM) Pro-X(TM) Electric Sharpener With Anti-Microbial Protection is one of many Electric/Battery Operated Pencil Sharpeners available through Office Depot. Made by X-ACTO.