ASUS VS239HR. Display diagonal: 584.2 mm (23 "), Response time: 5 ms, Display brightness: 250 cd/m². Headphone connectivity: 3.5 mm. VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: -5 - 20 °. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (typical): 40 W. Width: 552.8 mm, Depth: 45 mm, Height: 334 mm