MaxWhite(TM) screen material has 1.1 gain; GREENGUARD(R) certified low-emission product--preferred & recognized by leading sustainable building programs, government agencies, industry standards, building codes & institutions around the world; Black metal casing; 160deg -wide viewing angle; Heavy-duty casing & rugged construction withstand daily use; Adjustable locking ring for various height settings; 1:1 format; 136"; 96" x 96";