1. Power supply: use 2 AA batteries (batteries not included) 2. Applicable age: 6 years old and above 3. Sharpen pen, save effort and convenient 4. The pencil has holes to correct writing posture 5. Electric pencil sharpener, adjustable in thickness, suitable for pencils of about 7.2 mm 6. The electric eraser has less debris and wipes cleanly 7. Dimensions: 232x245 mm 8. Weight: about 650 grams 9. The set contains: desktop cleaner, electric eraser + electric eraser replacement core (50 pieces), electric pencil sharpener + replacement core, pencil x5
