whiteboard duster manufacturers. Application, service programs such as learning, teaching and research, management, student development, innovative classroom, synchronous classroom, live broadcast and on-demand, as well as campus network, multimedia classroom, desktop cloud network classroom, recording and broadcasting classroom, digital laboratory, campus television station, campus security, campus culture There are a total of 23 types of infrastructure construction programs for schools to choose from.. 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.