eature: The Xiaomi Mijia LCD blackboard adopts a custom LCD film formula, blue-green handwriting, and the display is clear and eye-catching. It has both the real writing experience of traditional paper and the smooth experience of LCD screen. Adopt highly sensitive pressure-sensitive technology, smooth and flexible LCD screen, the thickness of handwriting is affected by the writing pressure, the greater the pressure, the thicker it will be, and vice versa. The screen does not emit light, and the eyes are not easy to get tired after using it for a long time. Pressure-sensitive writing, dust-free and ink-free, safe and hygienic. Zero power consumption LCD screen, low power consumption when clearing the screen. Cleared 100 times a day, a button battery can be used for 365 days. Easily clear screen content and start new creations right away. The ultra-light magnetic stylus only weighs 7g. 7mm ultra-thin body, slim and flexible, light and portable. Specification: Main materials: ABS, polymer solid-state liquid crystal display soft film Battery: button battery CR2025 (battery not included, please bring your own) Product net weight: about 0. 345kg Product size: about 318x225x7mm