Model: S3000BWES
from $149
Google Nest Protect Smart Smoke and Carbon Monoxide Detector Alarm (Battery) offers flexible installation, powered by included AA lithium batteries or hardwired via the 120V AC connector. This single unit detects both smoke and carbon monoxide, with all mounting hardware provided.
Hubs centralize control across protocols. Matter + Thread is the emerging cross-brand standard. Available from $149.
Hubs centralize control across protocols. Matter + Thread is the emerging cross-brand standard. Key decision: ecosystem lock-in (Amazon/Google/Apple) vs open standard (Home Assistant). Check Zigbee, Z-Wave, and Thread support.
Hardware lasts 5-10 years. Software support is the real constraint — proprietary hubs lose cloud support after 3-7 years. Open-source platforms have indefinite software life.
The Google Nest Protect Smart Smoke and Carbon Monoxide Detector Alarm (Battery) is available at lowes, starting at $149.
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