disadvantages of interactive whiteboards. Freely bundled with?IQ Interactive Education Platform Software, as a platform for demonstration and teaching, achieving powerful functions, such as annotation, handwriting recognition, screen record, interactive response, interactive exam, and video conference. With IQ Interactive Education Platform, it becomes so easy to create a vivid and wonderful class and demonstration.. 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.