Double Hole Design: Suited for various pencil diameters ranging from 6-12mm, perfect for office, school, and artistic needs.Battery Operated & USB Power: Offers flexible powering options, ideal for on-the-go or stationary use.Automatic Operation: Simply insert your pencil, and the sharpener does the rest, stopping automatically once sharpened.Safety Lock: Designed with a protective mechanism to prevent injuries, especially safe for children.Transparent Collection Container: Large capacity and clear view to monitor fill level, easily removable for cleaning.Crafted with precision and convenience, our Professional Electric Pencil Sharpener seamlessly integrates into any environment where creativity meets productivity. With its dual hole design, it caters to both standard and jumbo pencils, making it a versatile choice for everyone from meticulous office workers to imaginative schoolchildren and passionate artists.