"Designed to have the case installed during the ""rough-in"" stages of construction and the fabric assembly during the finish stage.Patented in-the-roller motor mounting system for quiet operation.Handsome finished white aluminum case provides a clean look and allows easy installation of ceiling tiles.Standard with a Decora style three position wall switch.For easy installation, the Advantage® is available with SCB-100 and SCB-200 (RS-232 serial control board), Low Voltage Control unit, Silent Motor or Silent Motor with Low Voltage Control built into the case.UL Plenum Rated case.Matte White fabric up to and including 12' high will be seamless. High Contrast Matte White is available in sizes up to 10' high. Video Spectra 1.5 fabric is available in sizes up to 8' high. High Power fabric is available in sizes up to 9'x12' and will be seamless up to 6' high."