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” In 2012 its annual revenue exceeded $1. 9 billion. ADT Corporation was founded in 1874 and today is one of America’s leading alarm and security monitoring companies. Based in Boca Ranton, Florida, the company operates in 35 countries around the world, supplying alarms, monitoring equipment and peace of mind to homes and small businesses. In South Africa, ADT provides armed response teams and around the clock surveillance. Originally known as American District Telegraph, ADT started out as a telegraph delivery business.

Posted March, 2011 by Admin

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The products we reviewed are cutting edge devices made for 21st century homes, and they all have mobile apps. While researching for this comparison, we looked into the differences between the sensors each smoke detector uses and found research from Underwriters Laboratories UL that suggests you should have both photoelectric and ionization type smoke detectors in your home since each type is suited for different types of fires. For example, photoelectric sensors do better with smoldering fires that grow slowly and produce a lot of smoke while ionization alarms are better for detecting fast growing, flaming fires. UL is not alone in this recommendation; many other fire safety organizations make the same suggestion. If you want more information on smoke detectors, we recommend checking out the National Fire Protection Association's helpful guide, "Safety Messages About Smoke Alarms. "How We TestedEase of UseOur testing team built a custom apparatus designed specifically to analyze each smoke alarm’s detection capabilities.

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The pinhole security camera is typically less than 1 inch square.

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Posted February, 2011 by Admin

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