digital whiteboard business. Through the development history and reality of the electronic whiteboard market, we can foresee that China will become the fastest growing and largest market in the future. Electronic whiteboard products will still be mainly used in the education industry to serve teaching. This is the basis for us to understand this industry. . As of 2013, due to the rapid development of this market, driven by the interests, in the year of 2009-2010, a large number of electronic whiteboard products emerged in China, similar to the original MP3, the production status of the mobile phone industry. The price of the product has dropped sharply, the average quality of the industry has also dropped sharply, and professional services are not mentioned. However, the electronic whiteboard will be used in the education industry for a long time, and the professional requirements and service requirements of the discipline are particularly high, so that some do not understand the education industry. Manufacturers will gradually disappear, and only the electronic whiteboard manufacturers who truly understand and take root in the education industry can gain market recognition and long-term development.. 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.