digital video recorder
DVR full name is analog to digital video recorderwhich is essentially one computer that stores content recorded directly from the television provider. It looks like a black box which can be built in a hard disks.
Today, DVRs are hybrid DVRs which can work with UHD analog cameras, traditional analog cameras and IP cameras. We call it XVR or 5 in 1 DVR. Several manufacturers have different DVR types in the market. Now all manufacturers produce UHD hybrid 5 in 1 DVRs. Some companies, like Hikvision, produces TVI signal DVRs; Dahua produces CVI signal DVRs; XM, produces AHD signal DVRs. You can record multiple shows at once and watch another show at the same time.
Types of high quality dvr
If distinguished by resolution, we have 1080P 2MP DVRs, 5MP DVRs and 8MP 4K DVRs. If distinguished by channels, we have 4CH DVRs, 8CH DVRs, 16CH DVRs and 32CH DVRs. And most DVRs can support audio, alarm and 1-8pcs Hard disk.
All DVRs support P2P service. You can remote access by GUI or mobile APP. DVR service allows you to preset recordings, so you will never miss any episode of your favorite drama or comedy.
How doesdvr hd video recorderwork?
DVR like CPU or computer can work with different types of HD analog cameras by coaxial cable. The signal transmission distance from camera to DVR can reach 200 to 300 meters if the coaxial cable quality is good like RG-60 cable. With UTC function you can change HD camera's OSD setting by DVR.
FAQs of real time digital video recorder
Why can't I find the HDD?
Why Why There is no images outputin some or all of the camera windows?
The screen has no output after booting the DVRnormally.
Forget the passwords?
As a leader of cctv suppliers, ycxwill try its best to meet customers’needs.
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