root@wozi:~# DISPLAY=:1 xrandr
Screen 0: minimum 320 x 175, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
   1920x1080      50.0*    24.0     25.0     30.0     60.0
   1680x1050      60.0
   1440x900       75.0     60.0
   1400x1050      75.0     70.0     60.0
   1360x768       60.0
   1280x1024      85.0     75.0     60.0
   1280x960       85.0     60.0
   1280x800       60.0
   1280x720       60.0     50.0
   1152x864      100.0     85.0     75.0     70.0     60.0
   1024x768       85.0     75.0     70.0     60.0     87.0
   960x600        60.0
   960x540        60.0
   840x525        85.0     75.0     70.0     60.0
   832x624        75.0
   800x600        85.0     75.0     72.0     60.0     56.0
   720x576        50.0
   720x480        60.0
   720x450        60.0
   720x400        85.0
   700x525        75.0     60.0
   680x384        60.0
   640x480        85.0     75.0     73.0     60.0
   640x400        85.0
   640x350        85.0
   512x384        70.0     60.0     87.0
   400x300        72.0
   320x240        73.0     60.0
   320x175        85.0