interactive whiteboard pen. The development of the foot, from the original state of only imported products, to the domestic independent research and development of foreign-level interactive technology. According to the survey, domestic and foreign situations are basically similar. As far as the current situation is concerned, the education sector is still the most potential demand market for Chinese electronic whiteboards. But there are certain differences with foreign markets. According to the recent market research on electronic whiteboard products, the market positioning of interactive whiteboards. 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.