This primer on how to install a smoke detector, hard-wired or battery-powered, should help you protect your household against the dangers of fire and smoke.

Amazon “The First Alert FG200 battery-operated smoke detector is equipped with an ionization sensor designed to detect particles from fast-flaming fires reliably,” Shaunfield says.

Finally, if you have peaks in your home, do not install the smoke alarm at the apex of the peak (top 4 inches). Smoke does not always move into these peaks delaying the detection and alarm.

Battery-operated smoke detectors are some of the simplest home security devices to install. They typically come ready to go right out of the box, so all you need to do is mount it.

The smoke alarms we recommend use AA batteries, but if your city or state requires a 10-year sealed battery in your smoke alarm, we like the First Alert SM210 10-Year Sealed Battery Smoke Alarm ...

The Red Cross will go door-to-door on Saturday to install free 10-year lithium battery powered smoke alarms and educate people on what to do if a fire breaks out.