The ultra hd smart tv 58a6k 58" tv is manufactured by hisense this version of the tv comes in screen size : 58 inch , display technology : uhd , special features : internet connectivity , special features : without 3d , special features : smart tv , refresh rate : 50 hz , display resolution : ultra hd (4k).high dynamic rangeyou’ll be refreshed by what you see whites look brighter, blacks look darker and colors look more vibrant.smooth motion rate 100hzsmooth motion adopts memc technology to enhance clarity in fast moving images.