When you move into or buy a new home, no one hands you a guide to how the smoke detectors work. They "chirp," which really means shriek loudly, and you occasionally have to put new batteries in them.
Smoke detectors that only beep at night are acting up for a specific reason: Here's what can save your sanity and sleep.
First Alert 4 on MSN
St. Louis Fire Department emphasizes importance of smoke detectors; shows First Alert 4 live fire demonstration
The St. Louis Fire Department allowed First Alert 4 to suit up and participate in a live burn demonstration on Friday ...
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