Samsung P2270HD. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display resolution: 1920 x 1080 pixels. RMS rated power: 6 W. VESA mounting interfaces compatibility: 75 x 75 mm. Power consumption (standby): 2 W, Power consumption (typical): 51 W. Width: 536.3 mm, Depth: 66.1 mm, Height: 345.2 mm