Google Nest Protect Battery Smoke and Carbon Monoxide Detector (2-Pack)

Keep your home safer and respond faster with this Protect Battery Smoke and Carbon Monoxide Detector from Nest. Redesigned from the inside out, this ultimate smoke alarm has an industrial-grade smoke sensor, can be silenced from your phone, tests itself automatically and lasts for up to 10 years. It also tells you what's wrong so you know what to do and where to go, and you can even conveniently alert your phone in the event of an unforeseen event. The super-efficient sensor detects both fast and slow burning fires.