ASUS VH226H. Display diagonal: 546.1 mm (21.5 "), Response time: 2 ms, Display brightness: 300 cd/m². Headphone connectivity: 3.5 mm. RMS rated power: 2 W. VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: 20 - -5 °. Power consumption (standby): 2 W, Power consumption (typical): 57 W