Install battery:
1.According to the arrows on the lid Push the battery cover.
2.Install two NO.7 batteries according to the positive and negative marks.
3.Cover the battery lid.
Operation:
1.Press the button and the eraser starts to rotate.
2.Rotate back and forth to erase all the place you don't need.
Replace the eraser:
1.After the rubber is used up, pull out the rubber clip.
2.Then pull out the eraser about 3mm.
3.Back to the original, you can re-use.
Warning:
1. Avoid placing any parts in your mouth.
2. For long term use, please remove the battery.
Packing list:
1 pc Electric Eraser
12 * Big Eraser Refills(φ5mm)
10 * Small Eraser Refills(φ2.3mm)
2 * Plastic Rubber Clips