✅ Bring it with you on the go or keep it charged at your desk with the INCLUDED AC ADAPTER (Batteries Not Included). | ✅ Designed for use with #2 pencils, colored pencils, charcoal pencils, drafting pencils and more. | ✅ A convenient auto-stop function instantly stops the sharpening blade when the shavings tray is open, keeping users safe. | ✅ Easily switch between blunt, medium and sharp settings. | ✅ Sharpen worry-free with our lifetime warranty. If you have any issues with our sharpener, we will gladly replace it at no cost to you!