ASUS VK222HE. Display diagonal: 546.1 mm (21.5 "), Response time: 2 ms, Display brightness: 300 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 4 W. Power consumption (typical): 55 W, Power consumption (PowerSave): 2 W. Megapixel: 1.3 MP. Width: 513 mm, Depth: 210 mm, Height: 405 mm