document camera comparison. Ascension, the flow of information has changed from one-way communication to today's two-way interaction, and the identity of the communicator and recipient of the information has overlapped. Therefore, the interaction between home and school in the information age is no longer dominated by schools, giving teachers and parents the right to choose the mode of communication, broadening and deepening the breadth and depth of interaction between home and school. As the main body of home-school interaction, parents and teachers can freely choose one-to-one, one-to-many, many-to-many and other forms of communication. Both parties can invite each other to participate in interaction, and diverse forms of interaction are gradually taking shape.. 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.