Features: 1.The product allow dual power supply mode, 2 AA batteries or USB direct charge 2.Small size with no skid after sharpening, four non-slip foot pads bring stable chassis without shaking 3.The thickness of the pen tip can be adjusted to meet various needs 4.Electric pencil sharpener is portable and labor-saving, which bring smooth pen sharpening 5.Adopt good-quality materials with fine workmanship, which bring exquisite appearance, practical and convenient specification:Item Type: Electric Pencil Sharpener Power Supply Mode: Adapter/battery Battery Type: 2 x AA batteries (1.5v, 2800mAh)(not include) Size: Approx. 8 x 7.5cm / 3.1 x 3in(measured by hand, there may be tiny error) Sharpening Diameter: Approx. 6 ~ 8.5mm / 0.2 ~ 0.3in PackageList: 1 x User Manual 1 xElectric Pencil Sharpener 1 x Pencil Sharpener 1 x Data Line Note1. Suitable for wooden pencils and colored pencils with a diameter of 8mm. 2. Pay attention to the of sharpness parts of the product when using, and do not touch the blade part with your hands after the cover is opened. 3. Do not insert your fingers into the pencil socket to avoid injury. 4. Children under 6 years old must be used under the guidance of their parents. 5. When plugged in, please remove the battery.