... /right)80°/80°Vertical(up/down)80°/80°Contrast Ratio(Typ.)500:1LCD Back light Life(Typ.)50,000 ... Dimensions with StandWidth: 455mm Height: 400mm Depth:270mmOSD ControlBrightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function ... System InterfaceDual RS232 and USB Regular Warranty3 years; except for LCD panel 1 yearPower SupplyComputer:External brick; Input (line) voltage: ...