【Powerful Motor】With heavy-duty and durable helical blade, fast sharpening for 5-10 seconds and auto-stop working at a perfect point to protect pencil lead and dispose of the broken lead intelligently. Fit for sharpening #2 pencils, colored pencils, charcoal pencils, etc. <br>【Auto &amp; Safety Features】 Automatically work when plugging the pencil into the shaving entrance. Auto-stop working if finished or the lid is opened. 8mm diameters shaving entrance could prevent kids&#039; fingers from entering to avoid hurting. <br>【Multiple Power Sources】Powered by 4 AA batteries (Batteries NOT Included) or AC. Flexible and convenient to use anywhere and easy to carry around. (Power Supply: input 100-240V, output 6.0V/1500mA or 4 AA alkaline batteries) <br>【Large Capacity Design】Large capacity shavings reservoir can hold a lot of shavings. Scraps will not fall out easily when the top open lid is closed. It could sharpen your pencil over 3,000 times. <br>【Easy to Clean】Open the cover of the reservoir to pour out the pencil shavings when finished, not adding too much trouble. Our product provides Lifetime Guarantee, please contact us to get it fixed if it damages during the use.