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Books by Jeffrey D. Zwirn

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3 books found
The Alarm Science Manual
The Alarm Science Manual
By: Jeffrey D. Zwirn, CPP, CFPS, CFE, FACFEI, CHS-III, SET, CCI, President
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Alarm design that rings true: in designing alarm systems, consultants and end users often forget to consider the basics--such as how the system can be ... An article from: Security Management
Alarm design that rings true: in designing alarm systems, c…
By: Jeffrey D. Zwirn
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For whom the bell tolls. (alarm monitoring services): An article from: Security Management
For whom the bell tolls. (alarm monitoring services): An ar…
By: Jeffrey D. Zwirn
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