Carbon monoxide can be a silent, odorless and invisible killer, but it can still be detected. Protect your family with these ...

And can I connect a battery-operated unit in my garage to the wired detectors?

Smoke detectors use various smoke-detecting mechanisms: photoelectric sensors, ionization sensors or a combination of the two, called "dual sensors." We don't need to go too deeply into the ...

Combination detectors go through both sets of tests. All of the results are then folded into our comprehensive smoke and carbon monoxide detector ratings. (Ratings of lifesaving products like ...

Using your smartphone or smart home devices, you can lock and deadbolt your door from anywhere with a smart lock. Some have keyless number pads, like the Yale Assure lock and the Schlage Encode ...

This combination alarm features a photoelectric sensor for smoke detection as well as an electrochemical sensor for carbon monoxide. It even uses a different strobe pattern for each alarm ...

I put smoke detectors to the ultimate test -- by simulating real fire smoke in my own home -- so you don’t have to. Choosing the best smoke detector for 2025 is essential for home safety.

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Top Pick: First Alert 9120LBLA Hardwire Smoke Alarm Top Pick with CO Alarm: First Alert SCO5RVA Battery-Operated Combination Carbon Monoxide and Smoke Alarm What We Think of the First Alert ...

so consider buying a smoke detector with carbon monoxide detection or simply buy separate units for this purpose. Combo smoke and carbon monoxide detector systems typically need to be replaced ...