Simply Operation: This is electric pencil sharpener for kid that is very easy to operate and clean .Insert pencil and press to start, auto stop at a perfect point.Battery Operated Sharpener : Powered by 2 AA batteries (not included), the strong motor and lightweight design make it perfect for use at home, school, or at the office. The small size makes it easily portable.Pencil diameter: Suitable for 6mm to 8mm pencils.Wide application:This automatic pencil sharpener is perfect for kids, student,teachers, artists, engineers,etc.