Most residential and commercial surveillance systems are setup to record and store video, which can then be retrieved later for viewing and analysis. This lack of constant monitoring requires users to store the recorded video for a specific duration, ranging from days, weeks or even months. Once this duration expires, or the storage capacity in the video recording system runs out, the video can be archived, deleted or overwritten. For this reason, users must consider the various factors that may affect the recording duration of their CCTV cameras to ensure that their needs are met.

Factors that Affect the Recording Duration

1. Recording Quality

Home and business owners prefer high-resolution security cameras for their surveillance operations, owing to the clear and high quality video images that they offer. This is made possible through IP Cameras, which are able to provide megapixel resolution ranging from 1 MP to 10 MP. Unfortunately, high-quality images require more storage space and reduce the recording time. Consequently, users must strike a balance between increasing the image recording quality and the storage capacity that is available. This will enable their surveillance system to record and store the recorded video images for as long as is required.

2. Storage Capacity

The storage capacity for any surveillance system determines how long the security cameras can record before the video footage can be deleted or overwritten. Most users choose a video storage solution depending on their needs, budget, and the kind of security camera application that they intend to deploy. For instance, stand-alone surveillance systems are suitable for small scale applications since they rely on built-in hard disks, with limited capacity, which are contained within the DVRs and NVRs for storage. IP surveillance solutions on the other hand, can record to network servers or network attached storage (NAS) devices, which offer massive amounts of storage space and can record for prolonged periods.

3. Number of Cameras

Users with just a few security cameras in their surveillance system are able to record for longer durations. As such, increasing the number of cameras would increase the demand for storage space and reduce the recording duration.


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