34570 Features: -Handsome white powder coated closure doors and case provide a clean look and allow easy installation of ceiling tiles..-Patented in-the-roller motor mounting system for quiet operation..-For easy installation, the Advantage Deluxe is available with SCB-100 and SCB-200 (RS-232 serial control board) built into the case..-Contains a motorized trapdoor that opens and closes to let the fabric out.. Construction: -Designed to have the case installed during the "rough-in" stages of construction and the fabric assembly during the finish stage.. Specifications: -Standard with built in Low Voltage Control and Decora style 3 button wall switch..