You will solve the problems with the Mean Well wireless dimming device WPD-06, which offers many advantages! The WPD-06 is a wireless dimming device for 12/24V LED strips working with batteryless switches with mounting plate which can be perfectly fitted into the wall for standard application, no additional wiring needed.
The WPD-06 and the switch are both equipped with an EnOcean modules for receiving and transmitting wireless signals. Thanks to the self-sufficient energy generators, EnOcean modules do not require any maintenance at all! The dimensions of the switch are adjusted for standard wall boxes.