Keep an eye on the specifications 20-inch screen with a 60 Hz refresh rate 1600 x 900 HD+ Screen Resolution with Panel Technology and TN Response Time of 5MS 1000:1 Contrast Ratio 250cd/m2 of brightness Colors of the Monitor: Black, Flat, Curved FLAT Saturation of Color sRGB 99 percent Inputs and Outputs Ports D-SUB (VGA) x1 HDMI 1.4 x1 Advanced Feature Headphone out (3.5mm) x1 16.7 million speakers with color support No guarantee One year