Viewsonic 20" Value Series Widescreen LCD, A Series. Display diagonal: 508 mm (20 "), Response time: 5 ms, Display brightness: 300 cd/m². VESA mounting interfaces compatibility: 100 x 100 mm. Power consumption (standby): 1 W, Power consumption (typical): 38 W. Width: 472 mm, Depth: 65 mm, Height: 327 mm. Operating temperature range (T-T): 0 - 45 °C, Operating relative humidity range: 20 - 90 %