This VideoSecu new design ceiling mount comes with 4 removable mount adaptors. It is compatible with VESA 200x200 200x100 100x100 75x75. If you want to use it for larger size display with VESA 400x300 400x200 400x400 300x300 300x200, you just need to add the 4 mount adaptors. Heavy gauge steel construction provides loading capacity up to 66lbs. The multi-functional mount delivers the ultimate in positioning options with its 30 degree forward and 15 degree backward tilt, 360 degree swivel and 90 degree vertical rotate. The mount plate can be mounted vertical or parallel to the ground as viewing position need. The display even can tilt +/-30 degree when mounted parallel to the ground. Once your ceiling mount is installed, you can change the height adjustment of your flat panel monitor to meet your specific needs. The height adjustment can be made in 2 inch increments (from 20 to 32 inches).