About this item Customized LCD screen: Redmi LCD Writing Pad comes with screen size of 21.6 cm uses a customized LCD film with Blue-green handwriting and a strikingly clear display. Combining the experience of writing on traditional paper with that of smooth LCD Screen. Pressure Sensitive Writing: Thanks to the high-sensitive pressure sensor technology and smooth, flexible LCD Screen, handwriting thickness is determined by the pressure applied, so the harder you press down on the screen, the thicker the handwriting and Viceversa. Use your fingertip or other objects for lag-free writing on the screen, or write with the supplied stylus for best performance. Anti-Blue Light LCD Screen: The screen emits no light and mimics the appearance of ink on paper, preventing eye fatigue after extended use. Pressure sensitive writing, dust-free and ink-free, safe and hygienic. Light Weight Stylus: Weighing lighter than 5g Redmi Writing Pad Stylus can be easily gripped by kids and adults. The surface is designed in a way to make long writing a fatigue free One-Press Clear Button: The Zero power LCD screen only consumes a small amount of power when the screen is cleared. The single button cell battery lasts upto ~20,000 cycles of clears later which the coin battery needs to be replaced. Easily clear the screen and start creating something new immediately. Lock Switch: One-tap lock to freeze the content on the screen so the content is not added or deleted.