touch screen display school board pc. Class teaching classes are students , girls , boys. Grade class, student name , nameThe level teaching class focuses on the observation of student objects plus, , and .. 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.