The Perfectmounts Wall mount adapter kit is a direct bolt on accessory to all Perfectmounts projector ceiling mounts (except for Whistler). The Perfectmounts dual cantilever wall mount allows you to easily and quickly install your projector to a wall. Wall mounts are often used in smaller rooms when there is not enough space to install to a ceiling. The dual cantilever system makes it easy to move your projector out of the way when it is not in use. The Wall mount adapter kit includes: - Wall plate - Dual cantilever arm system - Wall mount adapter installation manual The Perfectmounts wall mount adapter works in conjunction with the 1000 series, 2000 series, Premium series, Elite series and Everest projector ceiling mounts.