[Super Powerful Motor]: Heavy duty electric pencil sharpener with high quality and durable helical blade can sharpen pencils quickly. The enhanced motor takes only 5 seconds to sharpen new pencils and 3 seconds to sharpen dull pencils. [USB/Battery Operated]: This pencil sharpener comes with a USB charging cable (adapter not included). It can operate on 4 AA batteries (not included) or USB DC power and is compatible with a wide range of devices, making it ideal for business, classroom, desktop, or office use. [Large Capacity Shavings Box]: Features a larger capacity shavings container. Simply open the box and pour out the shavings. Use the included cleaning brush for quick and easy cleaning. [Auto-Stop Function]: The sharpener automatically stops when the shavings box lid is opened, ensuring safety during use. The 6-8mm jack design helps prevent injury if a child inserts their hand, making it a safer option for kids. [Non-Slip Design]: Equipped with three non-slip pads on the base to prevent movement and vibration during operation. Allows for one-handed sharpening. If you have any questions or concerns, please through your order for assistance.