The DC158 Visual Presenter provides teachers a superior image quality & high-capacity internal memory to create instant slideshows. The Visual Presenter design uses a flexible gooseneck that easily captures views of any object from any angle. Frame Rate 30 frames per second Lamp Type Built in one cold cathode lamp Resolution SXGA (1280 x 1024), XGA (1024 x 768), WXGA (1280 x 800) Digital Zoom 10X (20x mechanical) Power Supply Built-in, 100-240 VAC, auto switching Inputs / Outputs VGA IN: Active pass through from the computer VGA Out: VGA output to the projector USB (Universal Serial Bus) Support: USB (Universal Serial Bus) 2.0 High Speed (480 Mbps max) for seamless integration with interactive whiteboards RS232: 3.5-mm C-Video: RCA Jack