NEC P553-AVT 55 LED Backlit Professional-Grade Large Screen Display with integrated tuner Brightness: 700cd/m2 (Max), 550cd/m2 (Typ.) Contrast Ratio (Typical): 4000:1 Viewing Angle: 178°(H) / 178°(V) Pixel Pitch: 0.63mm Input Video Compatibility: Analog RGB, Digital HDMI Port: 1 In DVI Port: 1 In Other Ports: D-Sub x 1 DisplayPort x 1