Size 21.5" wide Panel Type Anti-glare (AG) Touchscreen No Maximum Resolution 1920 x 1080 Aspect Ratio 16:9 Dynamic Contrast Ratio 100,000,000:1 Native Contrast Ratio 1,000:1 Brightness (typical) 250 cd/m2 Signal Connectors (no cables) HDMI Response Time (typical) 4ms gray-to-gray