Your home’s first line of defense against fires and smoke are its smoke detectors. These devices pick up on smoke in the air and alert you to its presence. The idea is that the alarm will activate and ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Prices are accurate and items in stock at time of publishing.

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 ...

The only way to know your smoke alarm is functioning and ready (except for letting your turkey burn in the oven) is to test it. And tests don't just confirm that smoke detectors have power -- they can ...

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.