Samsung DC40E DC-E Series 40 Direct-Lit LED Display for Business - LH40DCEPLGA/GO Contrast Ratio (Typical): 5000:1 Viewing Angle: 178°(H) / 178°(V) Pixel Pitch: 0.15375(H) x 0.46125(V) VESA Compatible: 200 x 200mm DVI Port: 1 USB Port: Yes Other Ports: D-SUB HDMI1, HDMI2, CVBS Stereo Mini Jack, RGB/DVI/HDMI/AV/COMPONENT Audio (Common) Power Supply: AC 100 - 240 V~ (+/- 10 %), 50/60 Hz