Gateway 21.5-Inch Full HD-1920x1080 LED Widescreen Monitor / KX2153 Cbd Screen Size: 21.5-Inch Monitor Type: LED Widescreen: Yes Aspect Ratio: 16:9 Contrast Ratio: 100,000,000:1 VESA mounting compliant Full HD - 1920 x 1080 resolution - 100,000,000:1 contrast ratio - 5ms response time - 60Hz refresh rate - 200cd/m brightness - 0.248mm pixel pitch - 90 horizontal, 65 vertical viewing angles - DVI (w/ HDCP), VGA - adjustable tilt