Self-developed fourth-generation flexible liquid crystal handwriting board is a flexible liquid crystal writing technology based on low power consumption. Perfect writing marks can appear with only one stroke, and writing on the screen itself does not cost electricity, only when it is cleared will the power consumption be generated. Each button battery can be reused for 50000 times to truly achieve low power consumption.

The fourth-generation microelectronics LCD handwriting board drawing board, no radiation, safe and environmentally friendly, repeated writing, one-click clearance, convenient and quick for students to check draft, light and easy to carry, LED screen, eye protection, anti-Fatigue is suitable for white-collar office workers to replace the traditional sticky notes. It is environmentally friendly and paperless. It is suitable for deaf-mute people to communicate and communicate. It is convenient, simple and easy to use. Communication is smooth. It is suitable for people who design creative ideas. It is simple, convenient and easy to retain creativity. It is suitable for children, feel free to play your special skills and cultivate your interest in personalized graffiti. I will never paint the books and certificates of my parents on the wall furniture at home.