One-touch Erase Button & Lock Function: Slide the lock button on the back of the tablet to prevents accidental clearing, protect your creation Tablet displays your notes until you erase them with the touch of a button. One-touch button erases notes instantly. Assembling Required: Yes Battery: Yes Net Quantity (N): 1 Kids Toys Writing Tablet 8.5Inch Note Pad Best Birthday Gift for Girls Boys, Multicolor Country of Origin: India