For System M. The rocker is plugged onto the 1-way button module. To be completed with: Basic button module, 1-way System M MEG5110-0300. Comfort button module, 1-way System M MEG5111-0300. Wiser button module, 1-way System M MEG5113-0300. Material: Brilliant thermoplastic, antibacterial. Smooth and self-disinfecting surface with antibacterial effect. Color: similar to RAL 9016. Color: active white glossy.