redstar@redstar-PC:~$ xrandr
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
   1920x1080      60.0*+
   1600x1200      60.0
   1680x1050      59.9
   1280x1024      75.0     60.0
   1440x900       59.9
   1280x960       60.0
   1152x864       75.0
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        75.0     72.8     66.7     60.0
   720x400        70.1
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 531mm x 299mm
   1920x1080      60.0*+   50.0     59.9     60.0
   1920x1080i     60.1     50.0     60.0
   1600x1200      60.0
   1680x1050      59.9
   1280x1024      75.0     60.0
   1440x900       59.9
   1280x960       60.0
   1366x768       59.8
   1152x864       75.0
   1280x720       60.0     50.0     59.9
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   720x576        50.0
   720x480        60.0     59.9
   640x480        75.0     72.8     66.7     60.0     59.9
   720x400        70.1
HDMI3 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)