Typically vague, unfortunately - ordered from Amazon.co.uk, with few specifics on technical details:
https://www.amazon.co.uk/dp/B07ZM3CBHP
AFAIK the 500/700 business is Z-Wave.
I'm using kkossev's updated Muxa driver with it, and have had no problems at all with the switch itself while using that (and no errors or warnings for it in the logs, just debug entries):
