One comes in package with 1000 Pro. I don't know where you got the info about two.
As already said, you can buy additional - and all of them control both Experts together - as one.
I did that for my 440 Pro. I use none of them
- only the mobile app,
As already said, you can buy additional - and all of them control both Experts together - as one.
I did that for my 440 Pro. I use none of them

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