Feature:1. Easy to use, lightly press and sharpen the pen, it will stop after sharpening2. Stop when opening the lid, high safety, the knife holder does not rotate when opening the lid3. The knife holder can be replaced, strong and durable, has a long service life4. Adjustable pen tip thickness, thicker on the left, thin on the right5. Dual power supply mode, you can freely choose to be powered by battery or power cord6. There is a non‑slip foot pad at the bottom to increase friction and refuse to shakeSpecification:Item Type: Electric Pencil Sharpener Connect The Power Supply: The adapter is suitable for 5V-2A, 5V-1.5A, 6V-1.5ABattery Type: AA battery (delivered without battery)Number of Batteries: 4Color: BlueInstructions for Use: Grab the pencil sharpener with one hand and the pencil with one hand. Press the pencil gently. When the pencil sharpener rotates, hold the pencil and keep it. The sharpening will stop automatically after about 8 seconds. Press down and take out the pencil.Precautions: 1. Suitable for wooden pencils and colored pencils with diameter: Approx. 6 ~ 8mm / 0.2 ~ 0.3in2. This product is not suitable for chalk, crayons and charcoal3. Do not use irritating liquids when cleaning the body4. When cleaning up the waste, please take out the battery in the machine and disconnect the power5. Children please use under the guidance of adultsSize: Approx. 67 x 86 x 118mm / 2.6 x 3.4 x 4.6in.Package List:1 x Sharpener1 x User Manual 1 x Power CordNote:It is forbidden to use adapters with a voltage above 6v