Display size (diagonal) 21.5" Display area (metric) 476.64 x 268.11 mm Aspect ratio 16:9 Resolution (native) FHD (1920 x 1080) Resolutions supported 1024 x 768; 1280 x 1024; 1280 x 720; 1280 x 800; 1440 x 900; 1600 x 900; 1680 x 1050; 1920 x 1080; 640 x 480; 720 x 400; 800 x 600 Pixel pitch 0.248 mm Brightness 250 nits Contrast ratio 1000:1 Response time 5ms on/off Display features Anti-glare; Low blue light mode VESA mount 100 mm x 100 mm (bracket included) Display Input Type 1 VGA; 1 HDMI 1.4