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Editor's Notes & Price Research
Combination of smoke and carbon monoxide protection that alerts you whether you are home or away (Z-wave compatible). Meets UL standards and backed by a 7 year limited warranty w/ purchase - Discombobulated
it's $0.01 cheaper.
See previous deal https://slickdeals.net/f/10986499-first-alert-z-wave-smoke-detector-carbon-monoxide-alarm-26-54?src=SiteSear