RDL DS-RC4M 4 Channel Remote Control Wall PlateThe D SERIES RC4M is a remote control that provides source selection at single or multiple locations. The RC4M is designed to directly connect to an RDL 4 channel switching module controlled by external momentary pushbuttons. The front panel of the RC4M features four pushbuttons, each corresponding to one of four inputs. An LED adjacent to each button shows which source is selected. When an RC4M is not being used, its display switches to a dim