If, for some reason, you’d rather take care of deleting older footage manually, you can usually adjust this setting in your NVR’s web interface. This is the standard method for dealing with a full hard drive, and it’s definitely the easiest. So if you have enough space for two weeks of video surveillance footage, for example, at any point you will have the last two weeks of footage saved. Typically when an SD card or a recorder hard drive fills up, any new footage simply overwrites the oldest footage. But first we need to go over what exactly happens with older surveillance footage once there is no more recording space. We’ll go over two situations: when footage is saved directly to the camera and when footage is saved to an external recorder. Typically, businesses will have at least one month’s worth of security camera footage saved, while homeowners tend to keep at least one to two week’s worth. So the answer to this question is very simple: the amount of time surveillance footage is kept totally depends on the amount of recording space available. It's going to look different depending on several factors including the number of cameras you have, the method you're recording, the amount of space available to you, the resolution of your cameras, and your purpose for recording video surveillance footage to begin with. This is a question many people ask us about security cameras.
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