I just set this up for my business, and I wanted to share my thoughts. I have it running via WiFi.
1) Image quality is fine, though limited to 720P. Some people will find this to be a negative.
2) This camera interfaces with
Blue Iris perfectly well. The following settings are used:
Make: Dahua
Model: Main Stream RTSP
Ports: 554, 8999
Video Path: /
Camera: 1
I tried setting up Blue Iris 2-way audio, but this feature doesn't work yet through Blue Iris. However, Blue Iris will capture audio without a problem. I hope Ken can make broadcasting audio work in the future, so we don't have to rely on Dahua's app.
3) With the camera connected to Blue Iris, one can also use the iDMSS Lite app, no problem. The app can capture audio and broadcast audio. There's a slight delay on WiFi - maybe 1 second in receiving and sending audio.
4) Logging into the camera web interface is somewhat limiting. For example, you only have the option to select frame rates of either 3 fps, 25 fps, and I think 30 fps. For me, the happy medium is 10 fps. The good news is, if you download the Dahua ConfigTool software you can configure the camera to have just about any frame rate you want. On Windows 10 I could only get version 3.x of the ConfigTool to work - there's also a version 4.x of the ConfigTool that installed fine, but failed to find the camera on my network. Do note that the ConfigTool does not let you set every option that the web interface does, so you'll need to use both interfaces to fully configure your camera.
5) I think the best way to use this camera is to set a static IP for it, or leave it on DHCP and tell your router to assign a static IP based on the camera's MAC. Then in the iDMSS app you can manually add a camera so you don't have to use their P2P service to connect the camera. This is especially prudent because as the posters above have noticed,
changing the default username or password away from admin:admin breaks stuff, which is totally, hilariously dumb, but I digress. The last firmware update for this camera is from mid-2017, so I doubt this will ever get fixed, but if it never gets fixed then you'll be happiest if you shut down all the UPNP and P2P services and then firewall the camera so it can't see the internet, at all.
Overall, I'm pretty satisfied with it. I'm a Hikvision guy, and I think this Dahua cam isn't quite as nice as the Hiks I've used, but it's also one of their niche models so I guess I understand if the support isn't as good.