interactive whiteboard dealer in pakistan. In this paper, the Chinese journal full-text database, the Chinese excellent master's thesis full-text database, and the Chinese doctoral thesis full-text database were searched by keywords such as electronic whiteboard, interactive whiteboard, and electronic whiteboard teaching application, and search engines such as Google and Baidu were searched. A search was conducted on related issues, and more than 70 related documents and information were selected. These documents are related to the following aspects: electronic whiteboard products, functional information, electronic whiteboard teaching application research, electronic whiteboard related technology development research, electronic whiteboard application teaching design, electronic whiteboard application development trend, etc. . Among them, the literature on technology development research involves the application of electronic whiteboard in the fields of higher education and distance education, but the research is rare and not deep. Most of the research reflected in the literature on the use of electronic whiteboards focuses on basic education applications. Therefore, the following analysis and summary of the teaching characteristics and functions of the electronic whiteboard, market supply, teaching application and research status, the reasons for the widespread application of the electronic whiteboard and the trend of application development mainly cover the basic education field.. 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.