Automatic Pencil Sharpener Helical Blade Design Fast Precision Sharpening Adjustable Settings for Art Classroom Features:<br> Automatic Sharpening: Electric pencil sharpener, fast sharpening, saving time and effort. Automatically stop working after sharpening the pencil at a point, protect the tip.<br> Adjustable Sharpness: With a control knob to adjust the thickness of the nib, sharp, medium and blunt for option, can meet all kinds of writing needs. Support sharpen 6-12mm pencils, color pencils, carbon pencils, etc.<br> Long Endurance: Built-in 2000mAh rechargeable battery, once charge can use more than 300 times. Support powered by computer, laptop, power bank, etc.<br> Durable and Reliable: High quality ABS shell and alloy spiral blade, sturdy, durable and wear resistant. Open box power-off design, very safe even for children.<br> Great Gift: Low noise and easy to clean, the pencil sharpener can be a pretty gift for children, students, teachers, artists, etc.<br> Specifications:<br> Color: Black/ White(optional)<br> Material: ABS<br> Compatible Pencil Diameter: 6-8mm<br> Battery: Built-in 2000mAh Lithium Battery<br> Item Size: 17.5 * 9 * 9cm/ 6.9 * 3.5 * 3.5in<br> Package Size: 19.2 * 9.4 * 9.4cm/ 7.6 * 3.7 * 3.7in<br> Package Weight: 580g/ 20.5oz<br> Packing List:<br> 1 * Pencil Sharpener<br> 1 * USB Cable<br> 1 * User's Manual