GRADE A - NON TOUCH Dell U2713H Monitor with LED Panel Type, Surface: In-plane switching, anti glare with hard coat 3H, Optimal Resolution: 2560 x 1440 at 60 Hz, Contrast Ratio: 1000 to 1 (typical), Dynamic Contrast Ratio: 2 Million:1 (Max), Backlight Technology: LED, Brightness: 350 cd/m (typical), 50 cd/m (minimum).