1. Powerful Motor: Made of high-quality material, the heavy-duty pencil sharpener can be sharpened on the spot in just 5-12 seconds. Ideal for sharpening No. 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 & QUIET: The electric knife sharpener features a durable housing that resists damage. Non-slip pads on the bottom help reduce noise during use. The sharpener has overheat protection. If it suddenly stops working for a long time, please let it cool for 6 to 10 minutes before using it. 3. Child Safety: With the automatic shut-off function, it can prevent children's fingers from entering if the cover is removed. The sharpener works automatically when pressed. Automatically stops when finished or the shavings tray is opened. 4. Easy to clean: Easy to clean and can hold a large amount of shavings. The sharpener is powered by an AC adapter and can help you sharpen your pencils more than 3,000 times.