On 08/08/2018 23:29, ss wrote:
On 08/08/2018 23:05, ARW wrote:
It's a "logical inclusive OR", so both lights will be on at the same
time, if one, the other, or both PIRs are within their activation
period.

Yes I understand both lights on at the same time but if the PIRs are set
for different duration times will it be the activated one that decides
how long they stay on for?

It will be the end of the last one activated, whichever finishes last.