Samsung Q Series 65 4K Motion Rate 240 LED-LCD HDTV Maximum Resolution: 3840 x 2160 V-Chip: Yes HDMI: 4 In LAN: 1 USB: 3 Digital Audio: 1 Optical Out Other Connectors: RF In (Terrestrial/Cable Input): 1/1(Common Use for Terrestrial)/0 Audio Return Channel Support (via HDMI port) 1 x RS232C Power Supply: AC110-120V 50/60Hz