To install the projection screen on the wall which was existing other display devices (such as LCDTV) and the distance between the wall and the screen is too short to install it, an extension bracket is a best choice for such a situation.
Seemax present you a metallic extension bracket: Base is made from cast aluminum, beautiful and durable. Three sizes could be chosen in the extension arm. It could be match up with all the Seemax projection screens within 4-meter wide.
Easy assembly and installation.