Adapter: Convert your existing Mounting Holes plate from 75x75, 100x100mm up to 400x200. Larger TV/Monitors can be mounted (Mounting Holes 200x100, 200x200, 200x300, 200x400, 300x200, and 400x200mm) with this adapter plate Universal Design: Not restricted by brand. Only need to make sure your existing Mounting Holes plate is 100x100 or 75x75 or 50x50 and your TV's hole pattern is not larger than 400 x 200mm. It will effectively improve the compatibility of your mount