55" , Business/4K/Touch , Touchscreen , Display Matte , Panel IPS , Resolution 3840x2160 , Form factor 16:9 , Refresh rate 60Hz , Brightness 350 , Contrast 1300:1 , Response time 9 ms , Horizontal 178 degrees , Vertical 178 degrees , 3xHDMI , 1xDisplayPort , 1xAudio-Out , 1xRS232 , 3xUSB 3.2 type B , 4xUSB 3.1 , 1xUSB-C , 1xRJ45 , Speakers , 400 mm x 300 mm , Kensington lock , Colour Black