Acme Battery Pencil Sharpener,3-1/4"X3-1/4"X5-1/4",Silver/Yellow Battery-powered pencil sharpener offers a unique design and saves space on your desk at the same time. Features an auto sensor so once the pencil is at the perfect point the iPoint cuts off, making sure you get the best result every time. Using Westcott's Titanium technology, the blades stay sharper longer. EZ View shavings reservoir makes it easy to see when your iPoint needs emptying. Requires four AA batteries (sold separately).