What is a DVR? What is a NVR?

A DVR is a Digital Video Recorder that uses analog camera TVI, CVI, AHD and CVBS Cameras (4 in 1) over coax cables with seperate power cables. The resolution at this point is 8 Megapixels (4K) A NVR is a Network Video Recorder and it uses digital IP cameras over CAT-5e or CAT-6 cables. The cables carry both the video and power over one cable called PoE (Power Over Ethernet). Both DVRs and NVRs are video servers where you can connect to internet to view on your smartphone or desktop computer. All videos are stored on hard drives for days, weeks, months or years, depending on the size of the hard drive that you want installed on your recorder. In order to connect to a remote server, a high speed internet connection is needed.

Why upgrade my current camera system?

There are many advantages to having a new, up-to-date digital video recorder or network video recorder. First, the image quality is considerably better with the newer recorders. Also better options, like motion activity, face and people searches.