Monitor Dahua 21.5 DHI-LM22-B200S, Diagonal (inch): 21.5, Diagonal (cm): 54.5, Aspect ratio: 16:9, Panel: VA, Resolution: 1920x1080, Refresh Rate: 100Hz, Response time GtG: 5ms, Brightness (max): 250 cd/㎡, Contrast (static) : 3000:1, Viewing angle: 178°/178°, Colours: 16.7M, Speakers: 1Wx2, VESA Wallmount: 75x75, D-SUB: x1, HDMI: x1