Panel Size: 55 inch, Aspect Ratio: 16:9, Native Resolution: UHD 3840x2160(Pixels), Brightness: 350 nits (typ.) 300 nits (min.), Contrast Ratio: 1200:1, Response Time: 8ms, Orientation: Landscape, Embedded OS: Android 7, Touch Point: 20 points touch; 10 points writing