02/08/2021

Pros and cons of using DVR surveillance system

2 min read

Although many security experts have said that DVR system seems to be an outdated security technology compared to NVR, it still holds its advantages and helps to prevent undesirable actions in the premises of your home and offices.

First, let us look at the difference between DVR (digital video recorder) system and NVR (network video recorder) system. NVR systems work with IP cameras which can capture and process video and audio data themselves. The video footage is recorded and stored directly from the network by using either an ethernet cable or WiFi network. Unlike an NVR system, DVR systems work with analog cameras that stream raw video footage to recorders via coaxial cables. After connecting recorder that processes the video footage to a viewing device, the video footage can be accessed and retrieved for further usage. 

Since DVR doesn’t involve digital technology, you can imagine that cost of a DVR system is less expensive than an NVR system. Secondly, DVR system is a simple plug and play solution and easier to use as no programming is needed. As signals from the digital security cameras are being captured and stored in the DVR card directly, the footage can still be recorded even there is no network signal and this allows the system to run for several months without much maintenance as long as there is enough storage for the footage. Even though the camera improves a lot in DVR system in recent years, the maximum resolution is only 4K which still cannot catch up with NVR. NVR systems also involve multiple camera lens which result in better security coverage. Finally, NVR can also record audio without adding an extra set of audio recording system and support body temperature detection.

If you still cannot decide what’s the most ideal security solutions for your business, request a surveillance consultation to meet with experts from Guard Security Equipment Company Limited to assess your needs.