Hanns.G HL225DBB. 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): 1 W, Power consumption (typical): 28 W. Width: 512 mm, Depth: 367 mm, Height: 174 mm. Windows operating systems supported: Windows 7