Amazon offers the First Alert SCO5CN Smoke and Carbon Monoxide Detector for $22.36 Prime shipped. That’s good for a 25% discount from the going rate at Home Depot and is the lowest we’re currently seeing. This two-in-one detector is battery-powered and sports an 85-decibel siren. They say that every floor of your home should have a smoke detector in it. So if your house isn’t up to code, then today’s discount is a solid way to add some additional protection. Rated 4.3/5 stars from over 1,400 shoppers. 

Those looking to lock in further savings can opt for the #1 best-selling First Alert Battery Powered Smoke Detector for $7.50

First Alert Smoke/Carbon Monoxide Detector features:

  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there’s a power failure
  • Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide


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