large whiteboard on wheels. Another form of high-tech blackboard + chalk + blackboard eraser + appeared with other more desirable functions to form a truly modern teaching system, a teacher who used the interactive whiteboard and referred to as the interactive whiteboard From the strange, skeptical, curious, to the initiative to try, and today many teachers who have used interactive whiteboards have sincerely affirmed, after more than half a year in the process of participating in the Sino-British interactive whiteboard experimental research project, we see How did the new technology enter the classroom teaching process, and actually felt how this new technology became a friend and friend of teachers and students. For many teachers, interactive whiteboards have become a substitute for blackboards and become their evangelists. a new stage for giving in and confusing. 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.