So I was all set to pick up a combination of these
IPC-HDW5231R-Z
IPC-HFW5231E-Z5
when I started cross-checking them online, and I can't find them on the new Dahua North America – Proven the World Over
site. The closest I see in form-factor to the IPC-HDW5231R-Z are 3MP, 4MP and 8MP units ...