interactive whiteboard reviews. The era has also brought a fresh atmosphere to the field of education and teaching. Interactive whiteboard technology is a new high-tech technology emerging in this context. It integrates digital processing, multimedia, distance learning, teleconferencing and other elements. As a new digital teaching tool, it replaces the traditional blackboard and chalk, and solves the shortcomings of traditional methods in teaching, conference and product demonstration activities. It is a network. The ideal choice for computer-assisted instruction in the era. However, there are very few companies that have mastered this technology in China, and the market size of their products is rarely known in China. In view of this, this paper has carried out detailed research on the technical development and market demand of electronic whiteboard, hoping to provide some reference for its industry insiders. Specifically, the following aspects are elaborated:. 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.