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.

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.

This 4-in-1 smoke detector comes with a smart back-up battery, but that’s as high as it raises the bar. By Michael Brown Oct 26, 2016 6:00 am PDT At a Glance Expert's Rating ...

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.

Reviews Roost Smart Battery review: This is the best smoke-alarm battery you can buy It costs a lot more than an ordinary 9-volt, but the benefits it delivers are worth every penny. By Michael Brown ...