looks like to be for pentesting. If you look at their affiliates, it's a bit more clear https://lab401.com/collections/pentesting/products/lab401-pe...

But I came here too, to understand what it is about and we are probably just not the audience :-)

Now, I'd be curious to know how good these devices are and/or how insecure these RFID chips are - because 500 USD is quite cheap for a device supposed to impersonate you or open your car or your hotel room.