QBell Technology QBL.19NB. Display diagonal: 482.6 mm (19 "), Response time: 2 ms, Display brightness: 300 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 2 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: 407 mm, Depth (with stand): 183 mm, Height (with stand): 420 mm