Uperfect Portable Monitor adopts a 3840 x 2160 IPS A-grade screen. This perfect Gaming Monitor delivers you a vivid image, clear motion and detail with build-in FreeSync and HDR feature, 300cd/?, 1000:1 Contrast Ratio, 99% sRGB color gamut, 16.7M colors, 178° viewing angle, 60Hz refresh rate, fast response speed. Low Blue Eye Care tech minimizes blue light to reduce eye strain.