About this item Fast and Uniform Sharpening: Equipped with sharp, helical-cut blades, this heavy-duty pencil sharpener guarantees fast, uniform sharpening in just 3-5 seconds. It smartly disposes of broken lead, resulting in smoother, non-splintered pencil tips. Perfect for sharpening #2, colored, and charcoal pencils. Please note, excessive force during sharpening may cause the device to hum and affect the sharpening quality. Durable and Multipurpose Design: Weighing in at 2.64 pounds with a larger blade and a more powerful motor, this classroom pencil sharpener is designed to outlast ordinary sharpeners, boasting up to 6000 sharpening cycles. It is an ideal tool for kids, artists, students, teachers, engineers, or architects, aiming to enhance their drawing, writing, and coloring experiences. Safety Features: Our sharpener is designed with your safety in mind. It begins working automatically upon inserting a pencil and ceases operation if the lid is opened. An integrated overheating protection function also prevents damage, and the 8mm diameter shaving entrance is designed to keep little fingers safe from harm. Portable and Quiet: Powered by an AC power cord, this automatic pencil sharpener offers flexible and convenient use anywhere. It's easy to carry, with a non-slip pad on the bottom ensuring stable operation and noise reduction. Perfect for quiet environments like classrooms and offices. Easy Waste Disposal: Our large capacity shavings box minimizes the frequency of clean-ups. Simply open the cover to dispose of the pencil shavings once you're done. For any problems encountered during use, please feel free to reach out to our JARLINK support team for assistance.