Much of hardware, especially Z-Wave is region-specific. For instance, here in the US, Zooz Z-Wave switches are inexpensive and work well. They will not work in the EU due to voltage & Z-Wave frequency differences.
I think the Hardware Home Automation category is where that sort of thing is expected to be posted. One of the things we have to be careful with is that it doesn’t become spammy. For something like this, the difference between spam and not becomes fuzzy.