white erase board. Or mainly for e-learning and distance learning in colleges, primary and secondary schools and kindergartens, web conferences, military explanations, e-commerce, e-government, scientific research, work reporting, telemedicine, product exhibitions, training, hotels, etc. Application area. Mainly used in multimedia teaching, distance education, and local education. Like Tsinghua University, the National People's University High School, Shijiazhuang Army College... Many schools have taken the lead in purchasing and using equipment. After changing the sweetness of the electronic whiteboard, the equipment has been replaced. This has greatly improved the level of education and effectiveness.. 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.