A Network Cameras may even be used to record images to a DVR and send/email images to a remote server. This means that if DVR fails will still get copies of images either through electronic mail or on another remote P.C. Cameras that use the motion detection on the DVR are reliant on a single piece of application to run all Cameras, if that fails then no images will be recorded. Furthermore, if the DVR itself fails then no images can be recorded.
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