Samsung Series 7 UE55NU7400UXZG, 139.7 cm (55"), 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Black Samsung Series 7 UE55NU7400UXZG. 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: PQI (Picture Quality Index) 1700, Native aspect ratio: 16:9. Digital signal format system: DVB-C, DVB-S2, DVB-T2 HD. Wi-Fi, Ethernet LAN. Product colour: Black