interactive whiteboard all-in-one multimedia. The information technology literacy of students , the use of information technology to create a rich and colorful teaching environment and curriculum resources for teaching , and promote the integration of information technology and other disciplines , thus realizing the teacher's teaching methods, student learning methods and the transformation of teacher-student relationship in the teaching process , improve teaching and learning. We can see , the effective integration of information technology and subject teaching ,. 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.