This Tv have 4K screen type and 42.5 inch screen size. It have 3840 X 2160 Screen Resolution. This tv use's Dolby Digital Plus Dolby DigitaL technology. It has HDMI: (3 )USB: (2) to connect any other system. It support LAN, AV, RF In (Terrestrial / Cable Input), Anynet+ (HDMI-CEC) Connectivity Technologies. This TV provide 1 year warranty service.