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So I got my first Empiretech NVR in january, NV41AI-8P-4K, and put a new 4TB WD purple in it. Only have 2 cameras on it currently. According to my camera settings, and storage calculators, I would get well over 40 days of video. And when I checked the NVR about 20 days in, I noticed HDD had...

So I'm looking for a really good low light/night PTZ with at least 30X zoom. It appears that DS-2DF6A436X-AEL(T5) may be the ticket with 4MP, 1/1.8 sensor, f1.2 lens, 0.001 Lux rating? It's at the limit of my budget $1500-2000, and the housing has a diameter of 231mm which is the biggest I would...

After my internet provider required to run my router in Access Point mode, I am no longer able to access my Dahua PTZ on my phone app (gDMSS) unless I am connected to my local wifi. Is there any fix for this?

I captured these guys swimming along today. They are often a lot more playful, but usually when it's some wind and waves, so not so easy to get on camera then.

So I installed my very first IP cam yesterday, a DS-2DE4A220IW-DE But there is something, probably very obvious, about the tilt geometry that I just can't wrap my head around. Why isn't an object 2 km away, that is the exact same height as the camera, not in the center of the picture, when...