Brand | FIRST ALERT |
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Style | Battery Powered |
Power Source | Battery Powered |
Color | White |
Product Dimensions | 1"D x 5"W x 3"H |
Item Weight | 0.45 Pounds |
Alarm | Audible |
Sensor Type | Electrochemical |
Material | Multi |
Manufacturer | First Alert |
Part Number | CO400 |
Item Weight | 7.2 ounces |
Country of Origin | Mexico |
Item model number | CO400 |
Batteries | 2 AA batteries required. (included) |
Is Discontinued By Manufacturer | No |
Size | Pack of 1 |
Pattern | Detector |
Voltage | 120 Volts |
Item Package Quantity | 1 |
Number Of Pieces | 1 |
Certification | UL2034 |
Included Components | Alarm; Mounting Bracket; User Manual; 9V Battery |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Description Pile | 9V battery |
Warranty Description | 5 Year Limited Warranty |
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89% positive over last 12 months
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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | FIRST ALERT |
Style | Battery Powered |
Power Source | Battery Powered |
Color | White |
Product Dimensions | 1"D x 5"W x 3"H |
Item Weight | 0.45 Pounds |
Alarm | Audible |
Sensor Type | Electrochemical |
Material | Multi |
About this item
- Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately
- A loud 85 decibel alarm sounds when CO levels reach dangerous , Battery Replaceable - Yes
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 5-year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
- All first alert CO alarms are rigorously tested to meet UL standards
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
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This Item FIRST ALERT First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack | Recommendations | dummy | dummy | dummy | dummy | |
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Price | -14% $15.00$15.00 Typical: $17.39 | $20.99$20.99 | $18.99$18.99 | -5% $26.99$26.99 List: $28.34 | -31% $19.99$19.99 Typical: $28.99 | $27.99$27.99 |
Delivery | Get it as soon as Wednesday, Mar 20 | Get it as soon as Wednesday, Mar 20 | Get it as soon as Wednesday, Mar 20 | Get it as soon as Wednesday, Mar 20 | Get it as soon as Wednesday, Mar 20 | Get it as soon as Wednesday, Mar 20 |
Customer Ratings | ||||||
Easy to read | 4.5 | 4.7 | 4.7 | 4.6 | 4.6 | 4.7 |
Easy to install | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.9 |
Accuracy | 4.4 | 4.2 | 4.2 | 4.6 | 4.4 | — |
Value for money | 4.3 | 4.2 | 4.2 | — | 4.3 | 5.0 |
Easy to use | 4.2 | — | — | 4.6 | — | 4.8 |
Sold By | Amazon.com | Ecoey-direct | Ecoey-direct | SITERWELL | Amazon.com | Siterlink |
power source | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered |
sensor type | Electrochemical | Electrochemical | Electrochemical | Electrochemical | Electrochemical | Electrochemical |
style | Battery Powered | modern | Protection | Standard Model | Digital | — |
alarm | Audible | Audible | Audible | Audible | Audible | Audible |
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Videos
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First Alert CO400 Carbon Monoxide (CO) Detector
Ken Stearns
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Must See Comparison First Alert CO Alarm #thisorthat
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Kidde vs First Alert CO400 CO Alarm #thisorthat
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Customer Review: Something is wrong with it
Timothy J Reeves
From the manufacturer
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Emergency: Carbon monoxide has been detected. Move to fresh air and call 911. |
Low battery: It's time to replace the batteries in your carbon monoxide alarm. |
End of life: It's time to replace your carbon monoxide alarm. |
Looking for specific info?
Product information
Technical Details
Additional Information
ASIN | B000N8OYXI |
---|---|
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #441 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Carbon Monoxide Detectors |
Date First Available | June 27, 2007 |
Warranty & Support
Feedback
Product Description
Product Description
The First Alert CO400 carbon monoxide alarm uses an electrochemical sensor the most accurate technology available. The permanent sensor lasts up to 5 years. It is powered by a 9V replaceable battery giving you peace of mind even during power outages. The test/silence button silences the alarm and allows you to test its functionality. The unit monitors and re alarms if carbon monoxide level persist sounding a loud 85 decibel horn. No installation is required and the attractive design allows the unit to be placed anywhere you need it. It includes an optional wall mount with no outlet required. An audible and visual battery signal alerts you to replace the battery. Pull down action chart has convenient guide on what to do if an alarm sounds. 5 year limited warranty. Ul listed.
Amazon.com
Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until its too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in danger at first. That's why a carbon monoxide alarm is an excellent way to protect your family. It can detect the CO you can't see, smell or taste in the air. The First Alert CO400 carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. The permanent sensor lasts up to five years. It is powered by on 9V replaceable battery giving you peace of mind even during power outages. The test/silence button both silences the alarm and allows you to test its functionality. The unit monitors and re-alarms if carbon monoxide levels persist sounding a loud 85-decibel horn. No installation is required and the attractive design allows the unit to be placed anywhere you need it. It includes an optional wall mount with no outlet required. An audible and visual low battery signal alerts you to replace the battery. Pull down action chart has convenient guide on what to do if an alarm sounds. 5 year limited warranty. UL listed. --Bree Norlander
Manufacturer Contact Information
1 (800) 323-9005.
Product guides and documents
WARNING:
Top Brand: FIRST ALERT
Important information
120 volts
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the value, performance, and size of the gas smoke fire alarm. They mention that its a good price to pay for safety, it works as promised, and is small enough to fit over existing screws. Customers also appreciate ease of use. However, some customers differ on battery life, quality, and noise.
AI-generated from the text of customer reviews
Customers like the performance of the gas smoke fire alarm. They say it's easy to install, works as promised, and is effective while being the simplest. Some customers also mention that it' s a good safety device and gives extra protection.
"Greta carbon monoxide detector. Easy to set up and install. Test function works correctly. Definitely gives me peace of mind for the home." Read more
"Good brand and quality and price was good ! Good protection for the house." Read more
"I purchased two packs of the pack of 2. So far so good!? Tested fine. Hope it actually works, which is why I went with a name brand...." Read more
"They were easy to install and worked upon arrival; can't ask for much more than that. Please note these are battery operated, not plug-ins." Read more
Customers find the gas smoke fire alarm easy to install and use. They mention that the install template is included, making the installation process simple. Customers also say that the product is simple and works as expected.
"Very well made, easy to install andat a reasonable price and delivered on time." Read more
"Greta carbon monoxide detector. Easy to set up and install. Test function works correctly. Definitely gives me peace of mind for the home." Read more
"After you break into the packaging, the units are simple to assemble and instructions are clear as to location...." Read more
"They were easy to install and worked upon arrival; can't ask for much more than that. Please note these are battery operated, not plug-ins." Read more
Customers appreciate the value of the gas smoke fire alarm. They mention that the price is right and priceless for peace of mind. They also mention that 9 volt batteries are cheap and work great in their rentals.
"Very well made, easy to install andat a reasonable price and delivered on time." Read more
"Good brand and quality and price was good ! Good protection for the house." Read more
"Trust the brand name and quality. The price was excellent" Read more
"I feel much safer in my home with these products. Worth the money." Read more
Customers like the size of the gas smoke fire alarm. They mention it's small enough to fit in a small space, helps with safety, and does not take up much space. Customers also mention that it fits perfectly over existing screws and that it'll dry faster.
"...It is small and light weight enough that it should be the thing to pack (take out battery, store separately until in room)...." Read more
"...I chose because of the brand name & its UL listed too and its small enough & dont take up much space with our packing." Read more
"Lightweight and small. Bought to take with me while traveling as I don’t trust all hotels when it comes to carbon monoxide leaks." Read more
"...was unpleasantly surprised to find that this unit is a little smaller than the previous one...." Read more
Customers are mixed about the battery life of the gas smoke fire alarm. Some mention that it comes with a battery, while others say that they received one with faulty batteries.
"...Turns out the battery it came with was dead." Read more
"...The C0400 carbon monoxide detector comes with a 9 volt battery...." Read more
"...battery, the unit began to chirp once / minute indicating the battery was low. Tested it with a multimeter and it was actually too HIGH at 9.8 V!..." Read more
"...Please note these are battery operated, not plug-ins." Read more
Customers are mixed about the quality of the gas smoke fire alarm. Some mention that it looks well made to do the job, is reliable, and should last a long time. Others say that it was very cheaply made, flimsy, and could easily be damaged.
"Very well made, easy to install andat a reasonable price and delivered on time." Read more
"...are okay but the last one I purchased back in 2014 had the battery door break off. (hopefully that doesn’t happen with this batch)...." Read more
"...Test function works correctly. Definitely gives me peace of mind for the home." Read more
"...PS: CO detectors aren't rugged enough to be left in cars--the manual says not to use this one in direct sunlight or near ventilation, which is a..." Read more
Customers are mixed about the noise of the gas smoke fire alarm. Some mention that it sounds within a few minutes, is quiet, and doesn't provide false alarms. However, others say that it continues to chirp and emits a distinct chirping pattern.
"...the UL timelines, and even if there's an unsafe CO level, the device might not alarm if I turn my car off a half hour early...." Read more
"...We tested the alarm and discovered it's loud enough to wake everyone from a sound sleep. It can be heard throughout the house...." Read more
"After a year both units started beeping with a good battery. Tried clearing out with some air. Will look for a different brand that lasts longer." Read more
"I bought for travel. So far the alarm has not gone off and I am still alive." Read more
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Top reviews from the United States
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The C0400 carbon monoxide detector comes with a 9 volt battery. I knew I needed to replace my existing detector (they dont last forever, and need to be replaced ever so often) and I did not want the plug in style. I wanted battery operated so I could place it wherever I wanted and not be limited to available outlets. I also bought a second pack as a gift. I prefer giving practical, functional gifts, especially stuff that people tend to not want to buy, such as smoke alarms, fire extinguishers, carbon monoxide detectors.
If you travel, consider a battery operated detector such as this. Dont trust that a hotel room has you covered, or someone else's house. It is small and light weight enough that it should be the thing to pack (take out battery, store separately until in room).
I will likely buy an additional pack. Right now I have one on the first floor, and one outside my second floor bedroom door. I think having one in the basement and another in actual bedroom or elsewhere (spread out) would be better. Watch for sales, but if need be just buy them at any cost so you have them.
I am even thinking about adding one to my winter car kit. If ever stuck in a blizzard and had to stay in my car for any length of time, having a detector will help as CO2 levels can quickly rise if running car (or if a few people are simply breathing without the window open a crack) to keep warm. Tail pipes can easily clog especially if windy. So yeh, simple thing to stay safe and alive
I'm confident this alarm will protect my family in the event of a leak. I highly recommend this product.
Top reviews from other countries
I wont truly know if it works, and I hope I never need to, but appears solid.