QBell Technology QB.22F-4W DCR. Display diagonal: 558.8 mm (22 "), Response time: 5 ms, Display brightness: 300 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 4 W. VESA mounting interfaces compatibility: 100 x 100 mm. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (typical): 40 W. Width: 401 mm, Width (with stand): 401 mm, Depth (with stand): 219 mm