stand up whiteboard. Based on the classroom teaching activities of teachers, attach importance to the design of teaching activities and teaching environment, pay attention to the wonderful role of electronic whiteboard in the teaching process, fully stimulate the initiative and participation of students, improve the enthusiasm and interest of learning, and ultimately improve Learning 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.