Small flashing red lights and chirping sounds every 30 to 60 seconds can mean it’s time to change a smoke alarm’s battery. Some models may have a green flashing light or announce “low battery,” so ...

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 were not functioning during a firework-related house fire on July Fourth near Buckner that killed two people and critically injured one, officials say, highlighting a danger officials ...