Google has discontinued producing the second-generation Nest Protect connected smoke detector. Existing Nest Protect units will continue to receive software and security updates. Google recommends the SC5 Smart Smoke & Carbon Monoxide Alarm from First Alert as a replacement for Nest Protect.

Google Nest announced two major changes to its Google Home lineup of smart devices. First, it will end sales of its Nest Protect smoke detector, which is featured on our list of recommended smoke detectors as one of the smartest fire alarms available.

Google is revamping its smart home lineup, ending production on two of its devices in favor of integrations with third-party manufacturers. First, it will sunset the Nest Protect smoke & CO alarms. Existing products will continue to function and receive security updates until their expiration dates.