Thanks Nayr, I see clearly your point.
I have a Pelco spectra making the same 7/7 24/24 Patrolling scheme since 5 years.
Hence I'll be able to report how Hikvision behaves compared to Pelco (as it's 1/3 of the price hope not too soon!). :laugh:
As I'm a bit skeptic about Hikvision I'm planning...