How to confirm ISO harness when you buy JOYING android radio?

 Joying Amazon Germany shop Android 5.1.1 Lollipop 7 inch 2 din autoradio

Instructions for connecting JOYING ISO harness:

Key1 and Key2 wire for steering wheel wires. And have to connect GND wire, check this page https://www.carjoying.com/Joying-blog/15.html

Back wire for back up camera, detect signal image, if your car does not have canbus,  you have to connect it.

Blue wire ANT-CONT is 12V connect for your radio antenna booster.

AMP-CONT wire is 12V for your Amplifier.

Brake wire for your safety when you driving, please do NOT connect it. Because we did it in the settings.