... digital visualizer, document camera, protable scanner projector 2 Megapixel, Frame rate:25(max) USB, SD card slot portable digital visualizer, with ... SD card slot, document camera, protable scanner projector SPECIFICATIONS: Modeli3130Sensor1/ ... , VIDEO ×1, AUDIO ×1USB2.0Slave×1(USB camera)RS232x1(computer controllable)SD card slot×1 USB driverWindows ...