Radio multiple button surface-mounted, radio transmitter, control of up to 24 DuoFern devices via 3 button groups (8 devices per button group), use of each of the 6 buttons to individually trigger a scene (in conjunction with the HomePilot®), label field for identifying the individual buttons, can be integrated into common switch programs, easy switching to tap operation (ideal e.g. for controlling venetian blinds), as a battery-operated version, the DuoFern multiple wall button is an extremely flat surface-mounted device that can be easily screwed or glued on (no flush-mounted box required), it is supplied including frame, battery and mounting plate