Samsung 55au7172. Display diagonal: 109.2 cm (55"), display resolution: 3840 x 2160 pixels, hd type: 4k ultra hd, display technology: led, screen shape: flat. Smart tv. Motion interpolation technology: pqi (picture quality index) 1300, aspect ratio: 16:9. Digital signal format system: dvb-c,dvb-s2,dvb-t2. Wi-fi, ethernet lan. Weight: 9.6 kg. Product colour: black