big whiteboard for wall. The revolution in learning methods and educational concepts. The users of the products are mainly 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. Areas such as hotels.. 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.