System gesis RC - Radio switch 4-channel multi vendor, light, white. The white 4-channel battery-less radio switch (EnOcean) generates its own energy while pressing the pushbutton and is maintenance-free. The rockers are in a neutral center position and marked with I/O symbols. It fits into 55x55mm frames from different switch manufacturers. It can be mounted on flat surfaces with screws or adhesive pads (included in delivery).