Model UHD Signage Display , 55" , Panel IPS , Resolution 3840x2160 , Form factor 16:10 , Refresh rate 60 Hz , Brightness 700 , Contrast 1100:1 , Dynamic contrast (DCR) 1000000:1 , Response time 8 ms , Horizontal 178 degrees , Vertical 178 degrees , Displayable colours 1070 million , 2xHDMI , 1xDisplayPort , 1xAudio-Out , 1xRS232 , 1xUSB 2.0 , 1xUSB-C , 1xRJ45 , Speakers , PSU Inbuilt , 300 mm x 300 mm , Operation time hours/day 24/7 , Finish Matte , Colour Black