For System M. The rocker is plugged onto the 1-way button module. Wiser button module, 1-way System M MEG5113-0300. The cover is made from recycled material made from industrial waste. The color is black based on RAL9005 with a matt surface due to the paint. The product has been developed for use with IP20 for flush or surface mounting. The material used reduces waste and is part of Schneider Electric's environmental initiative. Material: thermoplastic. Color: matt black.