4K UHD Portable Monitor. The 60Hz high refresh rate brings excellent richness in color ofpictures, videos, work and screen quality. The 15.6" 4K portable monitor adopts a 16:9 screen proportion with resolution up to 3840 2160, 100% sRGB color gamut, 300cd/㎡ of brightness, 1000:1 contrast ratio, and 60HZ refresh rate, providing accurate and vivid images.