Visualizer, Visual Presenter, Document Camera manufacturer / supplier in China, offering Smart Education Wall Mount Visualizer 8MP Camera with 12X Optical Zoom and Two External USB Port, Wall Mount Visual Presenter 8MP Camera with 12X Optical Zoom and 2 External USB-Port for Digital School, Wall Mount Visualizer 8MP Camera with 12X Optical Zoom and 2 External USB Port for Digital School and so on.