1. Powerful Motor: Made of high-quality material, the heavy duty pencil sharpener can be sharpened on the spot in just 5-12 seconds. Great for sharpening 2 pencils, colored pencils, charcoal and more. 12 seconds for new pens and 6 seconds for old pens. If the pen is cut for too long, the refill may be cut off. 2. DURABLE AND QUIET: The electric knife sharpener has a sturdy housing that resists damage. Anti-skid pads on the bottom help reduce noise during use. The pencil sharpener has overheat protection. When it stops working suddenly for a long time, please cool down for 6-10 minutes before use. 3. Kid's safety: With automatic stop function, it can prevent the child's fingers from entering if the cover is removed. The sharpener works automatically when pressed. It stops automatically if done or if the shaving tray is open. 4.Easy to clean: Easy to clean and can hold a lot of shavings. The pencil sharpener is powered by the AC adapter and can help you sharpen your pencils over 3,000 times.