It is a really cool Controller!
Problems that I can see are the battery (ies). If when they wear out or get weak, they can been easily changed.
I had an Autel Controller that you couldn't change the battery and it was a special battery I had to...
While this DRONE is VERY Cool. I don't think it justifies the price.
I currently have 2 Air 3's including the 3S and enjoy them immensely and they were affordable.
It will be interesting to see how long before they are released to the US and...