Viewsonic VX2451mh-LED, Value Series. Display diagonal: 609.6 mm (24 "), Response time: 5 ms, Display brightness: 300 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 2 W. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 19 W. Width: 582 mm, Depth: 210 mm, Height: 440 mm. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 20 - 90 %