12MP built-in camera & 6 array microphones; Anti-glare Glass 3mm Hardened; High-precision IR touch writing technology 0.5mm accuracy, 0.006s response speed, 2mm writing height; Brightness 350cd/m2; Contrast Ratio 5000:1; Backlight Direct LED (DLED); Resolution 4K UHD (3840*2160); Aspect Ratio 16:9; Backlight Life Time 50.000 hrs