Details:

Diagonal Class:55 inches 

 Diagonal Size:54.6 inches

Resolution:3840 x 2160

Display Type:LED

Display Format,4K UHD 2160p

 HDMI Port(s),3 (HDCP 2.2),Other Input(s),1 USB, 1 RF in (Antenna/Cable), 1 Composite In, 1 (shared with composite) Component In, 1 Ethernet, 1 Optical, 1 RS232C (Mini Jack), Smart TV Operating System,webOS 3.0,Refresh Rate-TruMotion 120 (Refresh Rate 60Hz) Speaker System,2.0 Channel,Other Features,IPS Panel, UHD Mastering Engine, Tru Black Panel, HDR Pro, 4K Upscale.