Anti-Erasing Lock: The 8.5in LCD Writing Board is designed with an anti-erasing lock on the back, preventing accidental clearing of your child's creative work. The one-key lock feature ensures that their drawings and notes remain intact until they choose to erase them. Long-Lasting Battery: Equipped with a built-in button battery, this writing board boasts low power consumption, allowing it to last for several months on a single battery. This durability ensures continuous use without frequent battery changes. Eye-Friendly Screen: The flexible LCD screen is designed without bright or blue light, making it safe for children's eyes. This feature protects their vision, allowing them to use the board for extended periods without strain. Versatile Use: Perfect for home and office, this board allows children to engage in creative activities like graffiti and pen writing practice. It also serves as a convenient message board for leaving notes or recording important information. Innovative Design: The ultra-narrow frame design maximizes the writing area, providing a larger space for creativity. This encourages children to explore their imagination and develop their artistic skills. Vibrant and Clear Display: The board supports colorful writing with a flexible screen that ensures clear handwriting. The anti-erasing lock screen and one-key erasing function make it easy to manage and preserve your child's artwork. This 8.5in LCD Writing Board is an ideal educational tool that combines fun, creativity, and practicality, making it a perfect gift for children to enhance their learning experience.