Lanbeisite E-writing board is made from liquid crystal polymer mixture formula. Through the pressure applied on the liquid crystal film, the configuration of the liquid crystal molecules will be changed, leading to the light reflection of certain wavelength. Thus the writing marks are shown to realize the writing function. Lanbeisite E-Writing board is a new kind of scientific and friendly product, which could perfectly replace the traditional blackboard or whiteboard. No consumables needed anymore, green and healthy, energy saving, one-button-press to erase the screen, intelligent storage, all these features bring you a different feeling for writing.