The installation is very simple and with appropriate guidance, without the instruction video, I am, however, failed only once grandiose. Then you have a functional diagnostic tool which corresponds to "original" 100% of Renault.
The following points should be noted: - Delivery from China, possibly picking up at customs and 19% turnover tax on imports. - Installation only possible with manual and patches. - Delivery from China takes 2-3 weeks.