Elmo 9418 Teacher's Tool TT-02u Digital Visual Presenter with Built-In USB Port, 1/3" Progressive Scan CCD 850,000 Pixels; 1024 x 768 Elmo 9418 Teacher's Tool TT-02u Digital Visual Presenter with Built-In USB Port, 1/3" progressive scan CCD 850,000 pixels; 1024 x 768 @ 20 fps; 600H x 600V TV lines Powered 5.3X optical Zoom with double speed function; Lens F2.0 to 4.4, f 4.0 to 21.2 mm; Shooting Area: Min 3 5/8 x 2 3/4 inches, Max 16 7/8 x 12 1/2 inches Powered Auto/Manual Focus; Powered Auto/Manual Brightness Control; Auto/Push set/Manual White Balance; Negative/Positive Conversion; Color/BW Selection; Gamma Adjustment Pause Mode; 8X Digital Zoom; 0-180 degrees Image Rotation; OSD On-Screen Display; Text Mode; Up to 4 user settings for State Presetting; Free-stop Arm; Microscope Viewing Mode; Security Slot RGB Internal Selection; XGA 1024 x 768 @ 60 Hz Analog RGB Output; Composite Video Output; RGB Input; USB 2.0 Port