Didn't come with instructions unfortunately.
Bernard, thank you for taking the time to help.
I think I did as you said -
4 terminal house...
I almost understand. Probably now 50% likelihood of death by electrocution.
There is indeed a PIR but the connections aren't...
I'm not a spark but still forgive my dumbassness.
I'm wiring a light in the garden.
Power cable from house: brown, blue, yellow/green....
Separate names with a comma.