LG Electronics 60UH6550 60-Inch 4K Ultra HD Smart LED TV (2016 Model) Maximum Resolution: 3840 x 2160 HDMI: 3 In LAN: 1 USB: 2 Digital Audio: 1 Optical Out Composite A/V: 1 In Component Video: 1 In Other Connectors: RF In (Antenna/Cable) x 1 RS232C (Mini Jack) x 1