Safety and HealthRichgv 13.5 Inch Colorful LCD Writing Board allows you to create clear and bright lines on the large, high-sensitivity LCD screen. The screen does not glow or blink in the dark. no radiation. harmless to the eyes. With this colorful magic board you can write or draw without paper Pressing the clear key once will redisplay the screen, or you can press the lock screen key to save the contents. as you like.The LCD board uses 1 CR2016 button battery. which supports up to 100,000 deletions. Easy to use doodle board suit for writing. To draw. Office memo board. Message board and as a communication tool. It helps a lot in the office / at school / on construction sites. as a digital notice board / notepad / sketch board. You can use it at home too. to leave messages or create shopping lists. Digital painting board it is also a creative toy and gift for children's birthday party. Christmas. New Year. Let the kids enjoy the fun of doodling without the pigment / chalk dust pollution. Richgv focuses on product quality and attaches great importance to the shopping experience of our customers. Every LCD writing board bought from us comes with a friendly customer service. If you have a question. feel free to contact us.