Acer S211HLBD. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display brightness: 250 cd/m². VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: -5 - 15 °. Power consumption (standby): 0.64 W, Power consumption (typical): 21.2 W. Width: 505 mm, Depth: 145 mm, Height: 371 mm. Certification: CE, ISO