ELITE MANUAL B series and the M100H is a 100" diagonal, 16:9 formatted entry level , economically priced Manual pull down screen And it has the MAX WHITE screen material with a 1.1 gain. Please note: this model only has left and right side black borders - Please see the M100XWH or M100UWH manual screen models if 4 black sided borders are needed. VIEWING dimensions are 49" x 87.2" ( =viewing height x viewing width) and comes with a thin, WHITE COLORED /STEEL housing that mounts flush to the wall as a standard