Features 1、The back of the drawing board is equipped with an anti‑erasing lock to avoid accidentally touching the clear button, and one‑key lock. 2、Built‑in button battery, low power consumption, durable, a button battery can be used for several months. 3、Flexible LCD screen has no bright light or blue light to protect children's eye health. 4、You can do graffiti and play at home, practice pen writing, leave a message on the message board, and record at any time in the office. 5、The ultra‑narrow frame design leaves a larger innovative space and cultivates children's imagination. 6、Colorful writing, flexible screen, clear handwriting, anti‑erasing lock screen, one‑key erasing. Specification Item Type: LCD Drawing Board Material: ABS Display Panel: Flexible LCD Screen Writing Pressure: 300g Built-in Button Battery: 1 x CR2025, 150mAh Handwriting Color: Colorful Package List 1 x Writing Board 2 x Handwriting Pen 1 x Ruler 1 x Triangular Ruler 1 x Protractor