disadvantages of interactive whiteboards in the classroom. Teaching functions, such as screen broadcasting, video broadcasting, screen broadcasting, remote control, electronic whiteboard, electronic name, electronic answering, online examination, etc., meet the daily teaching needs of teachers and improve teaching quality. Different teaching environments are provided in the form of virtual machine templates, template-specific, and bid farewell to a bloated, single-system. By modifying the virtual machine template, you can publish the latest virtual desktop to all students, and the workload is one-tenth of the traditional way.. 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.