You may not think about how well the smoke alarm in your home is helping to keep you safe until that annoying beeping starts, telling you that it’s time to change the batteries. But consider — when ...

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 ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. You may not think about how well the smoke alarm in your ...