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is it possible to add, or overlay external audio to a cam stream? for example add a radio stream, or scanner audio? if so, how? thank you for any assistance.

There was a lighning strike nearby which killed some access points, and Dahua NVR. NVR will not power on, and I have atempted a power reset. In cases like this, are the replacement boards that can be purchased, or is it easier to just buy a new NVR?

Dahua junction boxes tend to use a few short hex screws, and a few longer hex screws. I always drop/lose them. Do any of you know the exact sizes of these hex screws? i would like to buy a bunch to keep around.

with this particular model, how exactly do you create an alarm for specific faces that are enrolled in a database? stranger alarm only focuses on people who are not in the database. i want the nvr to alert when specific faces are seen by a cam. i cannot seem to figure this one out. any help is...

for those of you using NVR5216-16P-I/L, do you export pics from face detection, label them, and then import into the database? i am trying to find the path of least resistance to get face pics into the database. when i look at face pics via face detection, i am not seeing an option to add the...

this dahua model NVR4208-8P-4KS2 is sold/described as, "1U." this nvr is 2.1" and 1U is 1.75". have any of you all rackmounted dahua NVRs? am i missing something because it seems to me the nvr exceeds 1u height limits. thanks for any assistance.

I was helping a friend with her Dahua NVR, and Dahua cam. When logged in directly to the NVR, the screen zoom function works fine. When using SmartPSS, the screen zoom function does not work. Any suggestions are greatly appreciated.

When using a dahua nvr with poe ports, do i have to enable arp/ping setting? i was not sure if nvr would recognize cams with static ip addresses when using built-in poe on the nvr.

I installed/configured Sighthound ALPR yesterday. On my dashboard, 3 of the sections continuously say, "loading data..." Does this mean the cam is not positioned well, or is it indicative of a config error? I tested the rtsp stream on vlc player. Any assistance is appreciated. Pic attached.

i purchased a DH-IPC-HDW5442TM-AS-LED from andy. i am having issues setting up the people counting. on the cam side, i can draw the rule, and the line. the NVR has some AI capabilities, including people counting, yet when i set this channel on the NVR for people counting, i get a NVR error...

Is the IPC-HDBW4231F-E2-M treated as 2 completely separate cameras with 2 different IP addresses? Will this camera show up on a NVR as 2 different channels?

is there a maximum size/vid length that dahua cams can export?

what application do you all use to convert .dav files from a 4k cam to a format that is supported my most computers?

I have a 1gig connection from my ISP. All equipment in LAN is 1gig. Should I see much data speed slow down with 4 cams that are 4k each? Recording 24/7 at 30fps? Have you all with comparable setups seen speeds drop much on the LAN side?

anyone have any suggestions on how to fish 800' of cat6 through conduit? i can always cut the conduit in sections and use a vacuum as i have done before. i prefer the conduit to be one piece though. call electrician with a super long fish tape?

has anyone had an outdoor ethernet surge protector/lightning arrester that simply died? i confirmed mine does not work now. now nearby lightning strikes, or burned out components within the device. maybe ports are rusted, but everything looks good as far as i can tell. is this common?

do you all have any success stories with installing a Dahua PTZ that uses POE+ (802.3at) while using and POE+ extender? if so, where there any difficulties or major issues?

my IPC-HDW4231EM-AS randomly drops connection. it is powered by the POE port on my dahua nvr. the cam is approx 250' away from the nvr. all other cams attached to nvr work fine. does the random data dropout seem like a POE issue, or a rj45 connector that is not properly secured? the cam is 60...

i cannot find much info online. does POE+ (802.3at) has the same max distance (100m) as normal POE (802.3af)? i need to install a POE+ cam 600 feet away from house and was hoping it would work with 1 POE+ extender.

My Dahua NVR has people counting and heat map features. I will never use these features, but do these features require certain cams? Can these features be utilized with any Dahua attached IP cam?

Do dahua NVRs offer a scrolling carousel display while NVR is plugged into TV via HDMI? I currently view using the matrix layout displaying all of my cams, but would love a full screen option that rotates between my cams if that is a possibility. Thanks for any assistance.

Has anybody tested the max distance from NVR4108HS-8P-4KS2 while using the POE ports? I believe the nvr ports are 802.3af. I am curious if anyone has installed a Dahua cam 300 feet away from the NVR....or any dahua nvr for that matter while using the onboard nvr POE ports.

I saw in Security Magazine Dahua is coming out with a new line of 5mp Starlight cams. Has anybody tried any of these? Curious as to how well they will work at night given they are 5mp.

I did not change my nvr password, yet cannot login externally. I can login successfully while on the LAN. To test things out, I made a 2nd admin account and also a user account. All of which get the, "Login Failed" message. What would cause this? How can I fix this? Thanks for any assistance.

has anybody encountered their dahua nvr refusing the password? i did not change my password, yet the nvr will not accept my password. i have tried from 2 different locations/computers. i went through the reset pass process with no luck. the nvr is 60 miles away so i will not be hands on until...

I have: NVR4108HS-8P-4KS2 Will the ports on this or other Dahua NVRs power IR illuminators? In the NVR specs I do not see 802.3af which leads me to believe the NVR will not work with a 802.3af IR illuminator. Has anyone had luck powering an illuminator with extra/unused ports on a Dahua NVR with...

Has Dahua announced any deep learning cams besides the IPC-HF8242F-FD? More importantly, any outdoor turrent cams with deep learning and facial analysis like the IPC-HF8242F-FD?

On my Dahua NVR most of my Dahua cams work fine with motion detection. 2 of my IPC-HDW4231EM-AS will not play nice with my NVR motion detection, i get an error message that says, "channel 4 failed to get configuration" for example. In the NVR settings I have tried labeling the cams as, "private"...

openALPR recognizes some of my cams, and does not recognize the one I am concerned with for LPR purposes. for testing purposes I turned off ONVIF Authentication temporarily for testing purposes when I tried configuring things, with no luck. Has anyone encountered this? If so, any suggestions are...

It is my understanding lower megapixel cams tend to perform better at night than higher megapixel cams. Does anybody have comparison images or a link showing the difference in 2 similar cams at night? I would like to see how the images compare. My 2MP Dahua Starlight cams are killer at night...