large white boards. It can be foreseen that with the development of information technology and the drastic reduction of its price, interactive whiteboards will gradually be further promoted and popularized in schools with its huge potential and advantages. Some experts and scholars pointed out that "interactive whiteboards will eventually replace blackboards as the mainstream technology of classroom teaching, and become the standard routine for the design and construction of future classrooms in primary and secondary schools, which will greatly promote the process of school teaching informationization." "Proposal to the government and education administration at all levels The department is organizing the implementation of the modern distance education project of the three technical modes of rural primary and secondary schools in the central and western regions, and launches the interactive whiteboard teaching application innovation program in the eastern and western cities as an important part of the education informationization project." With the further development of electronic whiteboards in schools Universal application, corresponding base. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.