Model # CO605

Internet #202433878

First Alert Plug-In Carbon Monoxide Alarm with Battery Backup
0029054122001

First Alert

Plug-In Carbon Monoxide Alarm with Battery Backup

  • Plugs into any standard 120V outlet
  • EZ access battery door
  • Battery backup, batteries included
$22.72 /each

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Product Overview

The First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery Backup is an easy-to-install, UL-listed alarm that combines advanced technology with a user-friendly design. Symptoms of carbon monoxide poisoning are like the flu, and you might not even know you're in danger. That's why a carbon monoxide alarm is an excellent way to protect your family. It detects the CO you can't see, smell or taste in the air. The CO605 easily plugs into any standard outlet with no additional mounting necessary. Powered a single 9-Volt replaceable battery, you will have the peace of mind that the alarm will work even during power outages. The test/silence button both silences a non-threatening alarm and low battery warning and allows you to test the unit's functionality. This alarm uses an electrochemical carbon monoxide sensor, the most accurate technology available. The electrochemical sensor continuously monitors CO levels and re-alarms in case of persisting dangerous levels. The alarm performs its own internal test as well, and re-alarms if carbon monoxide levels persist, sounding a loud 85-decibel horn. The back access battery compartment lets you change the 9-Volt battery conveniently. 7-year limited warranty. Meets UL standards.

  • 120-Volt AC plug-in with battery backup
  • Battery operated backup ensures alarm works even during power outages
  • Single button tests alarm functions and silences nuisance alarms
  • Back access battery compartment
  • Low battery warning
  • Uses an electrochemical sensor, the most accurate technology to detect carbon monoxide
  • End of alarm life timer
  • 9-Volt battery included
  • Loud 85 dB alarm
  • 7-year limited warranty
  • Meets UL2034 standard
  • America's most trusted brand in home safety

Info & Guides

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Customer Questions & Answers

Does alarm make constant beeps when carbon moxoide is present. My alarm make a tiny beep about every minute .

Asked by: psyche
You need to change the batteries. Go to the First Alert website and look up the user manual to see what the different beeps mean.
Answered by: Sally
Date published: 2017-03-14

Are these UL 2034 listed?

Asked by: Tom
Yes, this product meets UL2034 standards.
Answered by: CommunityAnswer
Date published: 2017-02-14

Is it true a CO alarm is less sensitive after it has alarmed for excessive CO level and should it...

Is it true a CO alarm is less sensitive after it has alarmed for excessive CO level and should it be replaced?
Asked by: Concerned

Where should I mount alarm?

Asked by: Brooke
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Customer Reviews

Plug-In Carbon Monoxide Alarm with Battery Backup is rated 4.0 out of 5 by 21.
Rated 5 out of 5 by from Very good unit especially for the excellent price. Convenient, nice alarm features. Very good unit especially for the excellent price. Convenient, nice alarm features.
Date published: 2017-01-17
Rated 2 out of 5 by from Ours didn't last five years. Disappointed in the quality but its easy to plug into the wall and f... Ours didn't last five years. Disappointed in the quality but its easy to plug into the wall and forget until it starts its "end of life" beeps.
Date published: 2017-02-19
Rated 5 out of 5 by from Fair price, good product and free shipping when combined with other items. Fair price, good product and free shipping when combined with other items.
Date published: 2016-11-09
Rated 2 out of 5 by from Spend a little more & get a kiddie nighthawk !!! Spend a little more & get a kiddie nighthawk !!!
Date published: 2017-03-14
Rated 3 out of 5 by from appeared to work ok, but died after 4 years. appeared to work ok, but died after 4 years.
Date published: 2016-12-11
Rated 5 out of 5 by from so far so good. so far so good.
Date published: 2016-11-22
Rated 3 out of 5 by from Bad product This plug in model does not even last 5 years, beeps ON and OFF even with new expensive lithium battery. I throw it away and buy other brand.
Date published: 2016-09-07
Rated 5 out of 5 by from necessary device Carbon Monoxide devices are required in homes & offices where non-electric fuels are in use. So easy to forget about this! We've had great dependability with this model at home (husband is retired fire dept, so the research was deep) & I was happy to find it online!
Date published: 2015-03-10
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