The Switch 55 White 2Way Rocker 4 Channel EnOcean Casambi is a wireless and battery-free wall switch powered by EnOcean energy harvesting technology and fully integrated into the Casambi Bluetooth mesh system, allowing up to 4 configurable channels for controlling lighting, groups, scenes and dimming functions via the Casambi app without wiring or battery maintenance, and thanks to its compact 55x55 mm design it can be installed anywhere using screw or adhesive mounting for a clean and modern lighting control solution.