Specification: Item Type: Electric Pencil Sharpener Material: ABS + Silicone Height: Approx. 7cm / 2.75in, Diameter: Approx. 7.2cm / 2.83in Battery Type: 2 x AA Batteries (Delivered Without Batteries) Applicable Pen Types: Sharpen Pencils and Colored Pencils, Round Pens, Triangle Pens, Hexagonal Pens Function: Easy to use, compact and practical Package List: 1 x Sharpener 2 x Knife Holder 2 x Stickers Note: Pen sharpening operation guidelines: 1. Open the battery cover on the back and insert the batteries in the correct direction (insert 2 AA batteries) or use a USB DC power supply. 2. Before use, please make sure that the pen cap of the sharpener has been buckled in place. The sharpener will not operate when it is not buckled in place. 3. Insert the pencil into the pencil sharpener hole, hold the pencil firmly while keeping downward pressure, the pencil sharpener starts to sharpen the lead. 4. After the lead sharpening time is maintained for 2‑4 seconds, when you feel relaxed, it means that the sharpening is completed, and the pencil is pulled out. 5. This product is only suitable for standard wooden pencils (6.5‑8mm diameter)