With better video processing components than other low-cost alternatives, the monitors deliver 5ms response time, 800:1 contrast ratio, and 250cd/m2 brightness. Plus, each monitor features a built-in 3D comb filter to reduce composite video processing artifacts and ensure a sharp picture with less noise. Built for 24/7 operation, the new GD-191U and GD-171U monitors feature non-glare screens housed in stylish, slim bezels.