Model Number: ABXG1019 Brand Name: ABT Key Specifications/Special Features: USB cube pencil sharpenerMaterial: ABS plasticUSB interface for any laptop, desktop, or use of 4 AA batteries, without any software or drivers.Place the pencil into the pencil movements can be done automatically, convenient than manual pencil sharpener, pencil, while there led lights flashing.The front of the transparent cover with safety at the switch, remove the transparent cover turret does not rotate, close that turn. Simple and safe way to use