This Writing pad adopt advanced 8.5 inches LCD colorful screen, there is no radiation and safe to use. Larger screen and brighter color, which can let the children display their incomparable imagination, enjoy it! Advanced Technology -- adopting the newest LCD pressure-sensitive technology, This version of screen has been widely praised. It's a simple alternative to pen and paper.An alternative to traditional paper, Erase your image with the Touch of Erase Button, Eco- friendly and environmental protection, also saving you a lot of money Good company for children in daily life and study. Good for writing, arithmetic, spelling and drawing practice.