Electric Eraser by Tenwin is powered by 2AAA size batteries (batteries not included) and comes with the following accessories:
 
- Main electric eraser body
- 2 eraser attachment nozzles
- 2.3mm eraser refills x10pc
- 5mm eraser refills x10pc
 
 
Eraser refills packs are sold separately. Each pack comes in a nifty plastic box and contains:
- 2.3mm eraser refills x40pc
- 5mm eraser refills x30pc