What does this do?

[joe384]

I've looked at the diagram, it's still a bit confusing?
Changing switch 1 doesn't seem to affect the output?

https://www.amazon.co.uk/gp/B07JYQN3QD

 

[jokiin]

you're using it with the 0906 and the 3 wire hardwire kit?

 

[joe384]

I don't own it, just spotted it on amazon and was trying to figure out what it does...

 

[jokiin]

It switches the camera to two wire mode if you don't want parking mode

 

[kamkar]

Not the prettiest solution around.