Another bit of important info for mach3 install the instructions weren't clear at first but the English Crack! is to copy the correct files from "engraver" folder it creates to mach3 folder. Page 6 install manual Attached.
https://www.ebay.com/itm/4AXIS-USB-C...72.m2749.l2649
I'm overall very happy with this purchase. I think it is a great bargain for the cost!
I wonder if the cost are going to increase now with Chinese Tariffs!!