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Hi guys. I want to connect a microphone to the audio in of a SD5A425XA-HNR cam. The cam then should record the combined video/audio to a dahua NVR. The mic is wireless and the mic receiver has only an XLR output. How do I wire the XLR to the audio in of the cam? Thank you. PS. From the mic...

New dahua nvr. From IE on local network pc I can download recorded video only in dav format. Nothing happens if I select mp4 option. Why?

Using palemoon seems to function well with PTZ. Trying to setup autotracking on SD5A425GA-HNR. Have created preset. Not seeing option for smartplan nor IVS nor autotracking. Where do I look?

Bench tested a new SD5A425GA-HNR ptz with a Dahua nvr. All worked well, including test of ir illuminator with nvr control... normal illuminator options were available (auto/manual/0-100). However after installing the ptz on building the nvr control does not show option to adjust illuminator...

Two questions on the mounts shown below. Camera itself is the same. Mounting on vertical wall. 1. Purely cosmetic difference? Or is perhaps mount B more weather resistant? Any functional difference between mount A and mount B? 2. The access panel for micro sd card... it is labeled to keep...

Dahua NVR5432-4KS2 connect to 3 (or more?) PoE switches... Is it possible? Does the NVR have enough inputs to allow this? If not, is there a workaround? Any compromise in doing so? (This is for ~2 dozen 4mp Dahua cams in residential setting) Thank you.

Hi guys. I have searched and read many of the stickies & cliff notes. Need some help please. Goal is a residential install with 2 dozen dahua cams. The north side of house will take a dozen, and the south side the other dozen. The dahua nvr would be located in the middle, between the north...

Any availability?... A. Dahua/rebranded B. Non-ptz design (ie bullet or turret) C. Long focal length (~150mm +/- 50mm) D. Varifocal preferred E. 4mp 1/1.8" (or 2mp 1/2.8") F. IR capable (onboard illuminator preferred) G. Under $1k usd Thanks in advance.