[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. It does not include an adapter. The sharpener can operate on 4 AA batteries (not included) or USB DC power and is compatible with a wide range of devices, making it suitable for use in classrooms, offices, or desktop environments. [Large Capacity Shavings Box]: Features a larger capacity to store more shavings. Simply open the box and pour out the contents. Use the included cleaning brush to clean the sharpener quickly and efficiently. [Auto-Stop Function]: 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 young users. [Non-Slip Design]: Equipped with three non-slip pads on the base to prevent movement or vibration during operation. Allows for one-handed sharpening.