The screen size is measured in inches (in). It's measured diagonally from corner to corner on the screen. Please note that the effective viewing area is important (excluding the frame).
The number of pixels horizontally and vertically defines a TV's resolution in pixels or dots per inch (ppi or dpi). The greater the resolution, the more information or image you'll be able to view at once.
3840x2160 (4K Ultra HD)
DVB-C (digital cable tv), DVB-S (satellite TV), DVB-S2, DVB-T (terrestrial digital TV), DVB-T2 (terrestrial digital TV, 2nd gen.)