smart interactive white board. Resource-based learning, inquiry learning, computer-supported collaborative learning, virtual learning, virtual learning, collaborative laboratories, computer-supported lectures, virtual classrooms, cognitive tools, and electronic performance support systems.. 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.