DELL ST2210. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display brightness: 250 cd/m². Power consumption (typical): 22.5 W. Width: 530 mm, Depth: 220 mm, Height: 380 mm. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 10 - 80 %