Hi all,
I am looking to buy a couple of dahua bullet IP cameras.
I have narrowed it down to these 4:
IPC-HFW4431R-Z
IPC-HFW4431M-I2
HFW4433F-ZSA
IPC-HFW4431T-ASE
but
(A) don't understand which is better and why. Can you advise me?
(B) I noticed that the audio in/out has a dedicated...