So it will reach capacity quicker and start to overwrite. The frame rate at which a DVR records is measured in frames per second (fps) (sometimes referred to as Images per second (ips)), 25fps per channel is considered 'real-time', this means a 4 channel system would need to record at 100fps to record real-time on all 4 channels.įrame rate options often varies depending on what resolution you choose on the dvr, it is important to check the specifications of a DVR before you purchase it, to make sure it will record a suitable frame rate in the resolution you want.Īlthough 25fps (per channel) is real-time, and of course that is the best possible frame rate, it's not always required - and keep in mind, the more images being recorded per second, means the hard drive within the DVR is having to store more information every second. Once you have your images recorded on the hard drive, from time to time there may be an incident which you will be required to give to the police as evidence, you will then need to back up the data they require from the hard drive on to another storage device. On many you can search for specific dates & times to quickly find the footage you want to view.
You can forward & rewind through the images in much the same way you may have done so with a typical Video recorder. You can then look at the images recorded on the hard drive, and review what the cameras have been viewing by connecting a monitor (or other form of display unit) to the DVR. Some common features are covered below, for those with no knowledge about a CCTV set up - The Digital Video Recorder is the "brain" of a CCTV system, it takes the images from the cameras and stores them on to a hard disk drive.
Simply look through the features listed below, and try to see what is important for you, keeping in mind the purpose of your CCTV system. So we have put together some information about the features available so that you can try to make a better decision. There is a large selection of Digital Video Recorders on our website alone, we understand trying to buy the right one is not simple, and differs for each situation.
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