BTW, if you have not seen this thread yet, add a like to the main post to be informed when it launches and the price.
When launched, it will turn an A1 mini into a machine capable of automatically removing the completed print build-plate and putting another one on the printer to continue printing as many plates as you added to the queue.
I have a review unit and it is excellent.
It turns the A1 mini into essentially a conveyor belt work-horse.