interactive whiteboard for classroom. 1 In view of the shortcomings of multimedia computer network classrooms, in order to comply with the trend of school information construction, Guangzhou Linze Technology Co., Ltd. has launched a low-cost network computer product, namely cloud terminal, and proposed to build a stone terminal. Solution for computer network teaching environment, namely cloud map intelligent cloud classroom solution. 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.