✅ Beneficial wisdom
✅ Erase button
✅ 20 Inch
✅ Eye-Protecting
✅ Building block

✅ Material : LCD; ABS
✅ Panel : Flexible LCD screen
✅ Battery model : CR2032
✅ Pressure Output : 600g
✅ N.W : 1.32KG

📐 Size: 46.5 x 40 cm (or) 18.3 x 15.7 inches