Oct 2011
smart smoke detector
The U. S. government has instituted various measures aimed at bolstering the security of its citizens and ensuring that they are comfortable in whatever they are doing. Oftentimes, the government has to outsource of the services to private entities. Some individuals also contract private entities because they consider them as effective and efficient in terms of services delivery and accountability. Such dynamics has seen the rise of private security in the U. S. And globally Lyon, 2005. Perhaps, the increase in terror threats has made many governments and individual to procure the services of private security firms because of the in surveillance and undercover operations. This study has focused on St. Moritz Security Services based in Pittsburg, Securitas Security Services based in Chicago, and Allied Barton Security Services based in Pennsylvania.
Passive infrared sensors: Detect motion by sensing a sudden change in heat. Dual Tech motion detectors use two different technologies in the same unit: passive infrared and microwave. These devices are designed to