<br><b>A Professional Electric Pencil Erasers for Artists, Students, Teachers, Kids and Adults. You can't miss it.</b><br><br><b>Install battery</b><br><br>1.Rotate anticlockwise to open the battery cover. <br><br>2.Install two AAA batteries according to the positive and negative marks. <br><br>3.Rotate clockwise to close the battery lid. <br><br><b>Operation</b><br><br>1.Press the button and the eraser starts to rotate.<br><br>2.Rotate back and forth to erase all the place you don't need.<br><br><b>2 Eraser Options-Thin(φ2.3mm) and Thick(φ5mm)</b><br><br>Thin and thick erasers create different highlights. Please make sure that φ2.3mm eraser is put into the plastic clamp and φ5mm eraser is put into the metal clamp.<br><br><b>Replace the eraser</b><br><br>1.After the rubber is used up, pull out the rubber clamp.<br><br>2.Then pull out the eraser about 3mm.<br><br>3.Back to the original, you can re-use.<br><br><b>Warning</b><br><br>1. Avoid placing any parts in your mouth.<br><br>2. For long term use, please remove the battery when it is not in use.<br><br><b>TROUBLE SHOOTING--The electric eraser doesn't work.</b><br><br>Solution: Check if the battery cover is closed tightly. Then take out the eraser clamp and put it back. <br><br>If the electric eraser still doesn't rotate, please don't hesitate to contact our customer service team through Amazon.<br><br><b>What’s in the box</b><br><br>1 x electric eraser <br><br>1 x brush <br><br>1 x canvas bag<br><br>40 x big eraser refills<br><br>100 x small eraser refills<br><br><b>^o^Kindly Reminder^o^</b><br><br> Big and small eraser refills are available on Amazon now!!!!!<br>