Samsung UN55DU7000KXZL. Display diagonal: 139.7 cm (55″), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat. Smart TV. Motion interpolation technology: Motion Xcelerator, Native aspect ratio: 16:9. Digital signal format system: DVB-T2. Wi-Fi, Ethernet LAN. Product colour: Black