This year’s theme says it all — “Smoke Alarms: Make Them Work for You.” It’s a relevant, simple and powerful theme adeptly chosen by the National Fire Protection Association (NFPA).

With combined smoke and carbon monoxide detection, it’s potentially a life-saving product. Pick up the Google Nest Smoke Detector from Amazon or Best Buy. Add 9to5Mac to your Google News feed.

The model number and date code are printed on the back of the alarm. The company says there are about 452,000 of the smoke detectors in the U.S. and another 40,000 in Canada.

A. I can’t imagine how many people reading this article have themselves or know someone who has removed the batteries from their smoke detector. Please don’t think nothing will ever happen ...

Google is rolling out public preview support on the Google Home app for smoke and carbon dioxide detectors—and yes, that support includes the 10-year-old Nest Protect, as 9to5Google reports.