Amazon is running Lighting Deal on Kidde KN-COPP-LPM Battery-Operated Carbon Monoxide Alarm $21.27. Looks like they ran the same item last month too. Here is a link:
Product Features
Large digital backlit display is easy to read, even in low-light conditions
Peak-level memory displays the highest CO concentration measured since the last reset
Meets the requirements of Underwriters Laboratories (UL)
Battery operated with three AA batteries included
Backed by a five-year warranty

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Great deal, thanks for posting. Every home, apartment and condo should have a carbon monoxide alarm. I like the easy to read display. Will purchase this unit.

Sweet deal

thanks op. nice unit to have

This week Menards have the plug-in model Kidde for $14 and Costco has the First-alert plug-in model for $20. I bought a bunch of the plug in models for the tenants so that we don't have to worry about replacing the batteries for next 5-7 years.

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