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The short answer

A wired CCTV or IP system runs a cable from each camera back to a DVR or NVR that records and powers the cameras. The installer plans coverage, drills and fishes cable through walls or soffits, terminates connections, and configures recording and remote viewing. It gives continuous, local recording, which is why businesses and larger homes favor it.

Related: Security Camera Installation Guide · what home security costs · camera cost calculator.

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