The Delivery and installation after 3 DaysSize: 55 inchResolution: 3840x2160Series: LSConnectivity: HDMI: 4 USB: 2Refresh Rate: 100HzHDR: Quantum HDR10+Processor: Quantum Processor 4KSpeaker Type: 4.0CHOperating System: Tizen™Designed for every place, at every moment, from every a..