Erase Button Make It Easy to Use - Delete function. Just press the erase button and the writing screen area is clear! Great for children learning penmanship and as a communication tool for those with speech difficulties. Easy to Use - No need to worry about being difficult to use, just like using a pen and paper. Draw what you want, can easy to erase the full screen only by one erase button. It’s great fun for writing and drawing. Eyes Protection & Screen Lock - Eyes protection and Paperless designed drawing board is without electromagnetic radiation. The lock button to lock the creative content. Perfect Gift - This LCD Writing Tablet is Perfect Gift for kids and adults, especially easy for kids to drawing pictures, and enjoy the fun. Characteristics: The pressure sensitive LCD writing surface of the tablet creates lines of different thickness depending on how hard you push - just like paper and pen.