Fits 37' to 77' Screens: Designed to support a 37 to 77 TV weighing up to 132 lbs, this motorized lift is meant to be installed inside of a cabinet for maximum stability. It does not have a freestanding base design Mounting Compatibility: Compatible with VESA mounting hole patterns 75x75, 100x100, 200x200, 300x200, 400x200, 600x200, 200x300, 300x300, 400x300, 600x300, 350x350, 200x400, 300x400, 400x400, 600x400, and 400x600