Heavy Duty Pencil Sharpener: With a powerful motor and durable helical blade, this large pencil sharpener can sharpen up to 5000 times. It fits all types of 6-12mm pencils, colored pencils, and charcoal pencils. It sharpens quickly and evenly in 3-5 seconds. Auto Stop: Automatically starts when a pencil is inserted into the socket. Automatically stops when sharpening is complete or when the lid is opened, ensuring child safety and preventing over-sharpening. Three Adjustable Pencil Nibs: This electric sharpener offers 3 sharpness settings—blunt, medium, and sharp. It operates quietly and efficiently, meeting various usage needs. Ideal for artists, students, teachers, professors, engineers, and architects to make drawing, writing, and coloring easier. Rechargeable Pencil Sharpener: The portable design allows up to 300 uses per charge after 1 hour of charging. It can be recharged via USB or with an AC adapter and holds a charge for a long time. Large Capacity Design: The large shaving container holds more shavings, reducing the frequency of cleaning. The cover opens easily for quick disposal of pencil shavings. Non-skid foot pads on the bottom provide added stability during use.