Features:-There are two hole sizes (6-8mm and 9-12mm), allowing you to better sharpen different types and shapes (triangle, hexagon, round, etc.) of pencils. Ideal for students, carpenters, architects, designers, artists, employees, etc.-it only takes 3-5 seconds to automatically sharpen your pencils.-It can be powered by a USB cable or 4 AA batteries (not included), so you don't have to worry about running out of power. (Note: to ensure there is enough power for sharpening, we recommend using a USB cable to power it.)-The easy part is that it starts working when the pencil is inserted and stops working when the pencil is released. If it is not inserted correctly, it will not work, thus avoiding injuries.-Equipped with a large-capacity transparent pencil.
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