Infrared technology board. Since the Beijing study project in some schools start , the role and significance of the interactive whiteboard information on basic education in our country have some basic understanding , it can be summarized in the following ten preliminary consensus on technology integration, resource integration, cross-platform, collaborative environment, close Teachers and students, traditional innovation, normal application, multiple modes, instructional design, investment efficiency.. 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.