HP 19" 1940 DVI Rotating LCD Monitor w/USB 2.0 Hub (Silver) - Rotates to Portrait or Landscape View! 19-inch HP 1940 DVI Rotating LCD Monitor General Features: Silver/carbon enclosure 19-inch Active Matrix TFT LCD display USB 2.0 hub 1280 x 1024 @ 75 Hz resolution 4:3 aspect ratio 0.294 mm pixel pitch 250 cd/m2 brightness 600:1 contrast ratio 20 ms (rise+fall) response rate 16.7 million color depth 178-degrees horizontal and vertical viewing angles (10:1 minimum contrast ratio)