Note: For this writing board, we have added a screw to the back of the battery, which is safer for children, so there is no need to worry about them swallowing unknown parts. Specification: Item Type: LCD Writing Board_x000D_Material: ABS_x000D_Screen: 10 Inches_x000D_Display Panel: LCD_x000D_Battery: 1 x 150mAh CR2025 Button Battery (Delivered with Battery)_x000D_Purpose: Writing Board, Calligraphy Practice Board, Note Board (Suitable for children to practice writing) Features: 1Eye Protection Design: Made of ABS material, pressure sensitive LCD, no radiation and no glare to protect your eyes. 10 inch screen, the latest flexible LCD technology, brighter and clearer. 2Reusable: The doodle board can be erased and used, and the clear button can be used to write about 100,000 times. The built in button battery can be replaced. 3Pressure Sensing: The graffiti board has a pressure sensing function, which allows you to draw thick and thin lines according to the pressure on the pen, just like using a pen and paper. 4Intimate Design: Click the erase button on the drawing board to clear the screen content in one second. The key lock effectively prevents accidental swipes, and the screen can be erased when unlocked. 5Multi Application: It is not only a good helper for children's drawing, arithmetic, spelling and learning, but also the best notepad for adults to take notes and memorize information. 6Gifts for Children: Educational toys for preschoolers are perfect drawing boards for children to accumulate writing or drawing experience. PackageList: 1 x LCD Writing Board 1 x Stylus