Ionization smoke detectors usually run on 9-volt batteries and better sense flaming fires. The problem is that research has found those types of detectors don’t work well at detecting ...

Prior to the mid-1980s, batteries powered our smoke detectors. This made individual smoke detectors easy to install. The downside is changing the batteries on a ...

Ionization: These have a small amount of ... batteries every six months regardless of the siren's loudness. Smoke detectors can work effectively for up to 10 years, but you still need to test ...

They only work where you can hear them ... you need to build an Internet-connected smoke alarm. Smoke alarms, or at least ionization-based alarms with a tiny amount of radioactive americium ...