whiteboards direct. The electronic whiteboard was sold in the Chinese market four years ago. The sales volume is not very large, but the profit is relatively high. At the same time, it is gradually recognized and recognized by people. As the market matures and the related industries have the functions and advantages of the electronic whiteboard. Further deepening and the country's popularization of education informatization, the improvement of teaching hardware by schools, and the improvement of office conditions by hotels, restaurants and enterprises, it is expected that demand will increase rapidly in the next few years, and the market for electronic whiteboards will have a large space. It is a rare opportunity. At the same time, there are more than a dozen whiteboard brands (domestic and foreign) currently sold in the Chinese market. The prices of domestic products are relatively low.. 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.