Viewsonic VA1903H-2 18.5 inch HD Monitor – Resolution: HD (1366 x 768 @ 60 Hz), Contrast Ratio: 600:1, Dynamic Contrast Ratio: 50M:1, Response Time: 5ms GTG, Aspect Ratio: 16:9, Brightness: 200 cd/m², Refresh Rate: 60Hz, Connectivity: D-Sub (VGA); HDMI v1.4, 1x 3.5mm Audio Out, Retail Box , 1 year warranty