I bought one of these for like $70AUD and thought it was a fun toy.

Now I realise the secret money is making people buy 4-5 because you want to be able to run all these different versions at the same time.

It's a great bit of gear, you can get them cheap on Aliexpress, and M-Vave do a bunch of other gear as well that's super cheap.

Check it out, but don't blame me if you end up buying 4-5 like I'm probably going to