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Carbon Monoxide Alarm w/ Digital Display and 10-Year Sealed Battery

The First Alert CO710 Carbon Monoxide Alarm with 10-Year Battery and Digital Temperature Display detects dangerous carbon monoxide for up to 10 years. This carbon monoxide detector uses an electrochemical carbon monoxide sensor. A built-in 10-year lithium battery means you never need to worry about changing batteries during the lifetime of the alarm. This stylish CO monitor is designed to sit on top of a dresser or tabletop, and it has a backlit digital display that shows temperature and CO concentration.

Advanced Electrochemical CO Sensor

The First Alert CO710 Carbon Monoxide Alarm uses an advanced electrochemical CO sensor to detect elevated carbon monoxide levels. When CO is detected, the carbon monoxide detector sounds an alarm to warn you of the threat. Carbon monoxide can’t be seen, smelled, or tasted in the air, and it is the leading cause of accidental poisoning deaths in America. Placing carbon monoxide detectors on every floor of the home and in each sleeping room is an important way to protect your family from danger.

Stylish Design with LED Temperature Display

Unlike other CO monitors that are designed to mount on the wall, this modern, compact model is intended to sit stylishly on any flat surface. The backlit LED display can be changed to show the ambient room temperature as well as current CO concentrations and recent peak CO levels in parts per million. In the event of a CO incident, the data stored from the peak function can provide valuable information to emergency or hospital staff.

Built-In 10-Year Battery for a Decade of Detection

The First Alert CO710 Carbon Monoxide Alarm features a built-in 10-year lithium metal battery, so you never need to worry about replacing batteries during the lifetime of the unit. An end-of-life timer lets you know when the device should be replaced.

Alerts You to Danger

When carbon monoxide levels rise, the carbon monoxide detector sounds an 85-decibel siren that is designed to wake even the soundest of sleepers. A single button allows you to silence the alarm, as well as test to ensure the alarm is working properly.

First Alert Carbon Monoxide Alarm with Digital Display CO710

Product Details
Product Specs
Carbon Monoxide Alarms and Detectors
Product Manuals

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CO710 customer reviews

Overall Rating

29 Reviews
29 customers recommend this product
First Alert 10-Year Battery Carbon Monoxide Alarm with Digital Display - CO710 Reviews
Doug S
December 4, 2023
Verified Purchase
Easy install

I installed about midway on the wall centrally located in the house. I was told several years ago by a friend of mine who works for the gas company that kitchen counter height is the best location for the alarm to detect carbon monoxide. When carbon monoxide mixes with air in tends to not rise. Be sure to search the internet for yourself. There seems to be a lot of conflict on the proper location.

Gail T
January 3, 2023
Verified Purchase
Easy to use -love this CO monitor

Working as advertised! Only thing is press hard to test. I thought all were broken but it was just due to not pressing hard enough. Assuming they continue to last as advertised I'd purchase again

Philip A
October 26, 2022
Verified Purchase
CO detector

Very portable.... plan to take it it on trips for hotel safety.

Randy A
November 22, 2021
Verified Purchase
Carbon monoxide alarm

The unit was easy to install. I'm looking forward to not having to replace batteries anymore.

joseph Bateman
November 25, 2020
Verified Purchase
So far so good

The fellow who fixed my fireplace said I should get a carbon monoxide alarm. The unit looks nice, blends in and tested ok.

February 26, 2020
Verified Purchase
A Must Buy Item

I purchased this Carbon Monoxide Alarm because it has the ten year sealed battery. This makes it more reliable, no more hassle of replacing batteries and in many states it is becoming the law to have a unit with a sealed battery. I love the size of the unit and flexibility to hang it up or simply place it on my dresser. I really like that the digital display lights up when you push the test button but otherwise does not shine a light, there are too many lights on all the time on items. This is a must buy for peace of mind and ease of maintenance.

L Eschenbacher
December 23, 2019
Verified Purchase
Seems to work, flexible placement

So far this product seems to work and has given no odd beeps as I've seen in other reviews. We like that it can be moved, or it can be mounted on the wall. We plan to take it with us as we travel. Thanks, First Alert!

Edward Maciejko
September 10, 2018
Verified Purchase
portable CO2 detector

excellent, compact design, portable.

Edward Maciejko
July 23, 2018
Verified Purchase
important, compact safety device

Very compact, stand alone monitor, especially if you anticipate running a generator, in emergency event.

Sara R Augustin
July 9, 2018
Verified Purchase

Very pleased with this. I also bought the 10 year sealed battery combination smoke & co detector. All excellent!

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