Google Nest Protect – Smoke Alarm – Smoke Detector and Carbon Price: $97.32 (as of 04/08/2023 12:15 PST- Details)

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there’s smoke or CO in your home
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is
Get phone alerts so you know something’s wrong even when you’re away from home[1]