Features: Pressure Self Starting: Put the pencil in the sharpener hole and push it down lightly, it will sharpen your pencils or colored pencils to a perfect point. Safety Protection: Open the sharpener cover, it will stop to work, not afraid to hurt your hand, very safe and reliable. Power Supply Mode: Powered by 2 * AA batteries or USB Cable, easy to use and carry. (Batteries are not included) Durable Blade Carrier: The blade carrier can be replaced and increased the long life of the electric pencil sharpener.(We do not provide spare blade.) Anti-skid Pad: With anti-skid pads at the bottom, which can ensure sharpener stable operation. Perfect for using at home, classroom and office.