document camera with hdmi output. The exhibition, the interactive mode of home and school is mainly based on telecom and WeChat communication. Due to the large number of classes and the limited energy of teachers, the interactive mode of home visits has shown a declining trend in actual work. Parents' associations have the advantage of face-to-face communication, which helps parents and teachers to communicate deeply. It is still one of the important modes of school interaction between home and school.. Interactive Document Camera is a completely new concept design and mobile visualizer. The touch capability on IQTouch and IQBoard, IQView E3511 Document Camera can be freely used for presentations anywhere in or out of the classroom or office.