NEC P553 55 LED Backlit Professional-Grade LED edge lighting Large Screen Display Brightness: 700cd/m2 (Max), 550cd/m2 (Typ.) Contrast Ratio (Typical): 4000:1 Pixel Pitch: 0.63mm Input Video Compatibility: Analog RGB, Digital HDMI Port: 1 In DVI Port: 1 In Other Ports: DVI x 1 DisplayPort x 1 Power Supply: 100 - 240 VAC, 50/60Hz