| When a general-purpose mechanical security system is installed, detectors are located inside a building and a monitoring station is notified if an intruder is detected within. In order to increase the effectiveness of such a security system, Optex recommends not only securing the inside of the building but also adding surveillance to the perimeter area and boundary of the property. Optex has developed a system of enhanced outdoor surveillance that is capable of forestalling unauthorized entry into a building. By integrating outdoor and indoor surveillance, this system creates a defense line incorporating three warning levels targeting the perimeter of the property, the boundary of the building, and the indoor area. As a result, we can greatly strengthen and improve crime prevention. | | | | | | | | |  | | |  | | |  | | | | | | |  | | | | | | |
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