xrandr

Screen 0: minimum 8 x 8, current 1536 x 2048, maximum 32767 x 32767
eDP1 connected 1536x2048+0+0 inverted (normal left inverted right x axis y axis) 148mm x 197mm
   1536x2048      60.0*+
   1400x1050      60.0
   1280x1024      60.0
   1280x960       60.0
   1024x768       60.0
   800x600        60.3     56.2
   640x480        59.9
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)