Viewsonic VA2248-LED, A Series. Display diagonal: 558.8 mm (22 "), Response time: 5 ms, Display brightness: 250 cd/m². VESA mounting interfaces compatibility: 100 x 100 mm. Input voltage: 100 - 240 V, Power consumption (typical): 23 W, Power consumption (PowerSave): 0.3 W. Width (with stand): 528 mm, Depth (with stand): 228 mm, Height (with stand): 400 mm. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 10 - 90 %