Heavy Duty Pencil Sharpener: Featuring a powerful motor and durable helical blade, this large pencil sharpener can sharpen up to 5000 times. Compatible with various 6-12mm pencils, including standard pencils, colored pencils, and charcoal pencils. Sharpens quickly and evenly in 3-5 seconds. Auto Stop Function: Automatically starts when a pencil is inserted and stops when sharpening is complete or when the lid is opened, enhancing child safety and preventing over-sharpening. Three Adjustable Sharpness Settings: Offers blunt, medium, and sharp options to suit different preferences. Operates quietly and efficiently, ideal for artists, students, teachers, professionals, and more for drawing, writing, and coloring tasks. Rechargeable Design: The portable sharpener provides up to 300 uses on a single one-hour charge. Rechargeable via USB or with an AC adapter; maintains charge for extended periods. Large Capacity Shavings Container: Holds a high volume of shavings, reducing the frequency of emptying. Easy-to-open cover allows for quick disposal of pencil waste. Non-skid foot pads on the base ensure stability during operation.