Double-hole design: The battery-powered heavy-duty pencil sharpener has 2 holes of different sizes, enough to easily sharpen each pencil into a perfect and durable tip in 5-10 seconds, especially suitable for No. 2 pencils and colored pencils. Two holes are used for pencils with diameters of 6-8 mm and 9-12 mm.Compact and portable: The electric sharpener is heavy-duty and easy to transport. Ideal for artists, students, professors, engineers, architects and fashion designers of all ages, making drawing, writing and coloring easier.Safety measures: If the cover is removed or installed incorrectly, the childs electric knife sharpener will not operate, which means that when he or she uses it in class, it will not hurt your childs fingers. The pencil sharpener battery is powered by standard 4 AA batteries (batteries not included).Highest priority performance: The non-slip pad at the bottom keeps the sharpener battery strong at all times, and it can be easily cleaned by removing the cover and removing the debris.