Surveillance DVR's are differentiated by their number of camera inputs (channels), video recording rate (measured in frames-per-second) and total storage capacity. Other features that distinguish surveillance DVR's are their remote access capabilities, motion detection features, and video search tools.

Spy-Secret.com has the perfect surveillance DVR cameras for complex security problems. It can monitor and record from up to 8 IP cameras and any number of USB or FireWire . It can monitor and record from multiple cameras simultaneously, create continuous video recordings, and view multiple cameras in a single window.

Remote surveillance DVR cameras are accessed using the internet. Remote internet viewing and monitoring gives you the ability to be two places at once, alleviating the travel time from location to location. Remote management is a natural deterrent against all types of unwanted activities .