Compaq Advantage LA2306x 23 LED LCD Monitor - 16:9 5 ms 1920 x 1080 @60 Hz 250 Nit DVI VGA USB Energy Star EPEAT Gold WEEE RoHS TCO Displays 5.0 Black Screen can rotate to Portrait or Landscape view, Panel type: TN w/ LED backlight, Standard 100mm 4-hole pattern VESA mounting Viewable image area: 23-inches, Viewing angle: Up to 170 horizontal/160 vertical (10:1 minimum contrast ratio), Brightness: 250 nits (cd/m2) Frequency Horizontal: 24 to 94 kHz; Vertical: 50 to 76 Hz, Native resolution: 1920 x 1080 @ 60 Hz, Pixel Pitch: 0.265mm Contrast ratio: 1000:1 (typical); 1,000,000:1 (dynamic), Response rate: 5 ms (on/off), Energy Star compliant Connectors: DVI-D, 15-pin VGA, DisplayPort, USB 2.0 Type B, USB 2.0 Type A