Twin high-resolution 640 x 480 LCD displays Equivalent to a 67-inch screen as viewed from ten feet (approximately 3 m) 60 Hz progressive scan update rate Ultra-low video distortion 31-degree diagonal field of view 24-bit true color (16 million colors) Independent +2 to -5 diopter focus adjustment Two discrete VGA (640 x 480) video cameras 30 frames per second video capture at 640 x 480 USB video camera ? no proprietary drivers required 6-degree of freedom tracker ? yaw, pitch, roll, and x, y and z values 3-axes magneto-resistive sensors 3-axes accelerometers 3-axis gyros Auto re-centering to adjust from drift Includes tracker and gyro calibration software Tracker, approximately 30 x 10 x 15 millimeters includes Deluxe Carry Case Includes Wrap VGA Adapter Connects to VGA port Includes VGA to DVI video port adapter Works with all Windows dual monitor compatible video card, all brands Supports 1024 x 768 resolution display settings