what document camera is the best for a classroom. New, evolutionary and rich processes. In the information age, the professional development of teachers has added background vocabulary such as "informatization" and "technology promotion", and has brought people a technical element. Among them, technology can be used as one of the contents of teacher professional development, and it also constitutes the means, ways, methods and methods for teacher professional development. Some scholars have pointed out that technical support for teacher professional development refers to a system that uses technology as the environment, means, means, methods and methods to promote professional teachers, professional knowledge, teaching skills, professional attitudes, etc. A dynamic, complex process.. 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.