How to make regular wall switches smart?

Questions & Help
26

Just did a quick google for knudsen, just found the switches/outlets etc. I ment the wall boxes (flush). Looks like in denmark u use this type sometimes?

https://www.google.com/search?q=lauritz+knudsen+flush+wall+box&client=ms-android-samsung&source=android-browser&prmd=isnv&source=lnms&tbm=isch&sa=X&ved=2ahUKEwj7qa7j3J3iAhUFxIsKHYzaCJoQ_AUoAXoECAwQAQ&biw=360&bih=520#imgrc=dum1WO614w_PCM&imgdii=wbFw3ms9bo613M

And a qubino and others will fit in that:)