The Switch 55 White 1Way Rocker 2 Channel EnOcean Casambi is a wireless and battery-free wall switch powered by EnOcean energy harvesting and fully integrated into the Casambi Bluetooth mesh system, allowing control of lighting, groups, scenes and dimming functions without wiring or battery maintenance, while the 2-channel 1-way rocker layout can be freely configured via the Casambi app and the compact 55×55 mm form factor allows flexible placement using screw or adhesive mounting.