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I'm thinking of adding another cheap 5MP ONVIF camera to my hodgepodge system but this time I'd like to get one with a built-in mic and audio board. I'm not expecting good sound quality, just something good enough to indicate that there are people present in a certain restricted area. My...

Sorry for the naive question. I have two small systems where the POE switches are about 70 meters apart. It would be really helpful if I could view the cameras (live & playback) on NVR 2 from NVR 1. I know that if I added a PC to the LAN then I could do everything I want with CMS, but that...

Blue Iris has some features (e.g. mouse wheel zoom) that are missing from my hardware NVR. I have been able to connect Blue Iris to live view each of the cameras via the NVR (not directly via the LAN) but I can't see how to play back the NVR's hard disk files. This was very easy on CMS but on...

Operator error, I assume : I create a 4-camera view and save it. Exit. Re-start PSS, select that view, and everything has been saved except that each window has reverted to rectangle-select zoom instead of mouse wheel zoom.

I just installed DH_NVR4XXX-4KS2_MultiLang_V4.001.0000000.1.R.200319.bin. Maybe I missed it: is there a forum topic on this new version? There are some changes to the playback (Search) mode that aren't as intuitive as they should be, and probably a lot else that I haven't noticed. Also, it...

I just bought three of these cameras to build a little system for our community's entrance gate. Very impressive nighttime performance for US$38. StarLight Low illumination 3.0MP 2048*1536 H.265/H.264 Sony IMX291+3516C/E IP Bullet Camera IP66 Waterproof Intelligent Analys -in Surveillance...

Just need some reassurance on this: One CCTV setup: four cameras on a simple Ethernet switch recorded by a generic NVR. Another CCTV setup nearby: five cameras on a Dahua NVR. I plan to run about 60 meters of Ethernet connecting the two switches. I will set the Dahua to view the primary...

I've seen a handful of references on this board to running aerial cable. Though it's never the best choice, sometimes it may be the only choice, so I thought I'd make a comment or two about installation. Using Ethernet cable with a built-in steel support strand is a must, and you can't just put...

Dahua cameras have settings for Normal, Day, and Night. - Are these settings triggered by the camera's IR sensor? Will they still be triggered if the camera is set to Colorful? Dahua NVRs have settings for Profile 1, Profile 2, and Profile 3. - Do these correspond, in order, with Normal...

One of my cams is a Dahua HFW43005S-V2. It's 3MP, has a 3.6mm lens, is more than two years old. The setting has just enough ambient and street lighting to allow setting Color mode at night. I recently bought a 4MP HFW4431M-I2 thinking it it might be better but it wasn't so I didn't bother...

Two years ago I put together my first CCTV and I didn't know much at all, but I was sure I didn't want an NVR with POE ports, so I built my own 12 volt insertion panel. I used parts sourced locally and through AliExpress. I can't really say why I didn't just purchase a POE switch; probably I...

I bought a 5MP camera thru AliExpress in 2015. It's not a great camera but it gives a usable image in 3MP and I like the 2.8 lens. Yesterday I upgraded my Dahua NVR firmware and this cam no longer provides video. The NVR finds it in Search but cannot determine what to do with it. Manual Add...

I just bought this NVR and have connected 2 generic 1080 cameras, 1 generic 3MP camera, and 2 Dahua 3MP cameras. The playback on all cams is very smooth but the live preview on all the 3MP cams is jerky. I only see this via the NVR's direct monitor. If I look at the live view via PSS it's...

I just upgraded to this NVR. It seems pretty likeable in most ways but I can't get it to take a manual snapshot during Playback. I follow these steps: 1. Main Menu->Search 2. Plug in flash drive to USB port 3. Select the day 4. Select 1 Ch. view 5. Select Ch. number 6. Select Play icon 7...

My old NVR can play back up to 16x speed. Can this Dahua Lite NVR do the same? Or is it limited to 8x ?