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Two way mains connected light switch (UK market)
(lemmy.world)
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You could have a look at a shelly 1L that might do it, put the shelly in the light fitting and wire the switches in to it
Is this the one you are talking about? Looks like it will do the job?
Yes, that's the badger. They have a vast amount of built-in functions, also can be all local. I was using mqtt to access mine, but have switched to the home assistant integration