All the video footage that are stored in your CCTV-DVR harddisk. You can always review the footage video anytime, anywhere you want. All you need is the harddisk and a reader. (Read Personalized Website for Realtime Viewing of CCTV Cameras to know how to remotely view the video).
This way of Storing data provide extra safety for the footage, even when the camera is damage or stolen. Unless your DVR/NVR is stolen too.
The size of harddisk we provide ranges from 500GB to 4TB, Western Digital Surveillance Grade HDD, which allows you to store the video footage up to 12 months, depending on how many cameras you install.