DELL AW2210. Display diagonal: 546.1 mm (21.5 "), Response time: 2 ms, Display brightness: 300 cd/m². Power consumption (typical): 24 W. Width: 510 mm, Depth: 190 mm, Height: 460 mm. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 10 - 80 %