If you go to the main Chinese website for the company Launch, there is many warnings about buying in proper channels. X431.com

You do get something on the cheap but you are limited by the software as you. won't be able to update the units prescription to software. And that is if you are lucky to buy the ones with good copied cracked software.

God help you if you get a dodgy crack, as many people found out when they test a BMW and blow up the ecu. True story, and has happen at least seven times I know (used to work on the phones) it was proven to be dodgy software and Launch tech uk did not refund the cost of the new BMW Ecus to the garage victims. Instead the money they saved they lost a lot more on fixes

Safe yourself go with the best launchtech.co.uk