Editorial Product Review:

Item Description:
FIRST ALERT CO400 FIRST ALERT BATTERY POWERED CARBON MONOXIDE ALARM (NO DIGITAL DISPLAY)



Accessories available:
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Accessories available:

• Ultra Life Battery UPVL-X 10 Year Smoke Detector Battery

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Customer Rating: - works as described
works as advertized. no installation necessary. battey light blinks as described. no way to tell if it works unless I could somehow expose it to carbon monoxide. wonder if there is a test kit on the market to shoot a small amount in the area for testing??

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Customer Rating: - Many years of great service.
Gave me many years of great service -- easy to use, reliable, battery lasted a long time. Now chirping indicates the alarm needs to be replaced. Wish just the sensor could be replaced, as with other models, and not the whole unit (though the sensors are nearly the same price).

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Customer Rating: - I don't know...
I am neutral on this product. I hope it works. I bought the 10-year battery from Amazon although it comes with a battery and I tested it. I won't know if it works until I actually have carbon monoxide enter my house. I hope that doesn't happen, but according to the test button its up and running.

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Customer Rating: - Save Yourself From CO
I always seem to hear just about how much of a importance it really is just to get a carbon monoxide alarm, as much as a simple smoke alarm. Now that it has been a law in New York City, there is nothing else you can do buy get one. It is just the safest you have from losing your own life. Yet, with all the ones that I chose, I bought the First Alert FCD3N model from my landlord. It is very simple, and very easy to use. It really isn't all that hard to operate at all. My only one problem, is that some of the information that was written on the alarm actually wasn't in easy to read letters. Instead, it was just written in the same image as the carbon monoxide alarm. Nevertheles, I honestly suggest you buy this alarm. It really is a must-have for every household.

Overall: B+