Features [Automatic Features] Automatic pencil sharpener suit for No.2 Pencils (6-8mm) it will Auto-stop when the pencil is sharpened to a perfect and durable point, 3-5 seconds fast sharpening can prevent your pencil be eaten [Heavy Duty Steel Blade] 360fast sharpener and powerful heavy duty steel blade could sharpen your pencil over 3,000 times, besides, there are 3 different sharpness options(Sharp/ Medium/ Blunt) can be choose. Perfect for teachers, students, engineers, children, artists, and anyone who loves to draw! [Storage Box] The pencil sharpener comes with a storage box and a hanging storage box, its suit for small items on the table, such as paper clips, clips, staples, etc. can make your desk from dirty and clean [Multiple Power Sources] Powered by 4A batteries (NOT Included) or AC adapter. Flexible and convenient to use anywhere and easy to carry around. Specifications Item Weight 11 ounces Package Dimensions 5.51 x 3.81 x 2.87 inches