http://www.articleheaven.net en-us editorial@articlealley.com Fire alarms are vital to the protection of your home, family, and property from the threat of a debilitating fire. Fire alarms detect fire (or more commonly, smoke) and set off an alarm to warn the household or local fire department of the danger of impen... http://www.articleheaven.net/types-of-fire-alarms-1488280.html 07th April 2010