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Sponsored

First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector

First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector - image 1 of 4
First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector - image 2 of 4
First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector - image 3 of 4
First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector - image 4 of 4
First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector - image 1 of 4
$29.99 when purchased online

About this item

Highlights

  • Keep your family safe with this 2-Pack of easy to use, battery operated carbon monoxide alarms; 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
  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels
  • 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

Description

This handy 2pk of First Alert CO400 Carbon Monoxide Alarms utilizes electrochemical carbon monoxide sensors to monitor your space for carbon monoxide threats. The battery-powered design doesn't require an electrician; simply insert the included 9-volt battery into each alarm, and the carbon monoxide detectors are ready to go.

The advanced electrochemical CO sensors detect carbon monoxide leaks from multiple sources, such as faulty fuel-burning appliances, blocked chimneys, and generators running inside or too close to homes. When CO levels become elevated, a loud 85-decibel alarm alerts you to the threat.

Because CO evenly distributes itself, it's important to have a CO detector on every level and in every bedroom of your home. Designed to be simple to use, each CO detector has just one button that silences or tests the unit, as well as an end-of-life timer that lets you know when it's time to replace the device.

Dimensions (Overall): 3.38 Inches (H) x 4.87 Inches (W) x 1.56 Inches (D)
Weight: .87 Pounds
Package Quantity: 2
Requires Hardwired Installation: No
Battery: 1 9-Volt Alkaline, Required, Included
Warranty: 5 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869
TCIN: 13794432
UPC: 029054018434
Item Number (DPCI): 085-14-0250
Origin: Imported
If the item details above aren’t accurate or complete, we want to know about it.

Shipping details

Estimated ship dimensions: 8.42 inches length x 6.93 inches width x 4.39 inches height
Estimated ship weight: 0.85 pounds

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.

Q: Do these have to be installed on a wall or ceiling, or can they just be placed on a horizontal surface such as a table or counter?

submitted by KB - 3 years ago
  • A: Thank you for your question. The National Fire Protection Association (NFPA) recommends that a CO Alarm should be centrally located outside of each separate sleeping area in the immediate vicinity of the bedrooms. For added protection, install additional CO Alarms in each separate bedroom, and on every level of your home. With that being said, we recommend installing on a wall for best protection.

    submitted byFirstAlertProductExpert - 3 years ago
    Brand expert
  • A: Thank you for reaching out. Yes - this can be placed on a table or shelf.

    submitted byMoscoe Group - 3 years ago
    Brand expert

Q: How do you know the difference between an alarm beeping meaning it needs a new battery, vs. meaning its detecting dangerous monoxide levels?

submitted by Hassan - 3 years ago
  • A: Thank you for your question. For the low battery warning, the light continues to flash (RED) and the horn also “chirps” once every minute. This warning should last for up to 30 days, but you should replace the batteries as soon as possible. When dangerous levels of CO have been detected, the light flashes rapidly and horn sounds loudly (repeating 4 beeps, pause).

    submitted byFirstAlertProductExpert - 3 years ago
    Brand expert
  • A: If battery is low the alarm will give a single chirp sound about every 60 seconds. If it is picking up carbon monoxide it will be 4 beeps together then a pause and this pattern will repeat. Also, any questions can also be referred to our Customer Support call center @ 800-323-9005

    submitted byMoscoe Group - 3 years ago
    Brand expert

Q: What type of battery does it take?

submitted by Greg - 6 years ago
  • A: closeup on packge states 9v included batteries

    submitted byJp49 - 5 years ago
  • A: Thank you for reaching out. This detector utilizes a 9-volt battery.

    submitted byFirstAlertProductExpert - 4 years ago
    Brand expert

Q: Do these come with batteries

submitted by Susan Gerbasi - 6 years ago
  • A: The batteries are Included

    submitted byCortney - 6 years ago
  • A: Thank you for reaching out. Batteries are included with this detector.

    submitted byFirstAlertProductExpert - 4 years ago
    Brand expert

Q: Does this model have UL rating?

submitted by Maud - 3 years ago
  • A: Thank you for your question, Maud. This unit has a UL 2034 rating.

    submitted byFirstAlertProductExpert - 3 years ago
    Brand expert

Q: How does the battery go into the alarm? I find getting batteries in and out of most smoke and CO alarms very difficult. I have broken several alarms due to poorly designed battery compartments in both First Alert and Kidde alarms. Thanks.

submitted by xkot - 3 years ago
  • A: Thank you for your question. To install the batteries: 1. Flip the battery door down to open. 2. Install both AA batteries (included) inside the battery compartment as indicated. Make sure the “+” and “–” ends of each battery are aligned properly. A chirp will be issued. 3. Close the battery door

    submitted byFirstAlertProductExpert - 3 years ago
    Brand expert

Q: Do these also plug into an electrical outlet?

submitted by Lori - 3 years ago
  • A: Thank you for your question. No, this unit is battery powered only.

    submitted byFirstAlertProductExpert - 3 years ago
    Brand expert

Q: How many sq feet of space can one device cover and detect?

submitted by Stephanie - 6 years ago
  • A: The recommended installation areas, per the National Fire Protection Association, is that the CO Alarm should be centrally located outside of each separate sleeping area in the immediate vicinity of the bedrooms. For added protection, install additional CO Alarms in each separate bedroom and on every level of your home. If your bedroom hallway is longer than 40 feet, install a CO Alarm at both ends of the hallway. This hallway length is the only time a measurement is specifically called out. For our home, we had just installed a combination heater/AC unit in our attic and were required to place a CO Alarm in every bedroom and living space, family room and living room, in the house.

    submitted byEBug - 6 years ago

Q: Is this a combo smoke detector and carbon monoxide detector?

submitted by Melissa - 4 months ago
4.8 out of 5 stars with 136 reviews
100% would recommend
72 recommendations
value: 4.9 out of 5
quality: 4.89 out of 5

Carbon Monoxide Detectors

5 out of 5 stars
Thumbs up graphic, would recommend
Gabriellesimone - 5 months ago, Verified purchaser
Feel safer having these carbon monoxide detectors! I wish I bought the plug in kind instead (my bad for not reading) but they work the same.
value: 5 out of 5
quality: 5 out of 5
Did you find this review helpful?

Eats through battery quickly

4 out of 5 stars
catbutt - 5 months ago, Verified purchaser
My only gripe about this detector is that it eats through the 9V battery quickly. It was less than 6 months after install that I had to replace the battery already. Perhaps the dual function is to blame. My regular smoke detector (not sure the brand; had for more than 10 years) lasts for more than 1 year before the battery needs to be replaced.
Did you find this review helpful?

Battery Operated CO detector.

4 out of 5 stars
ArkayMI - 6 months ago
Bought this in a hurry online. Went to pick up at a Target store. But they told me they are out of stock. Went online again and did not find it in any rearby stores. So had to have it shipped. Can't Target keep track of its store inventory in this day and age? Ater it arrived it two days later, found that it was very hard to open the battery compartment. The illustration on the instruction did not remotely match the product (See picture). Finally had to pry the door open to install batteries. Tried to test it by holding close to car exhaust pipe. No alarm. Hope it works as advertised. No way of knowing it.
quality: 3 out of 5
value: 4 out of 5
Did you find this review helpful?

Life Savers!

5 out of 5 stars
Thumbs up graphic, would recommend
DLH - 8 months ago
These just saved us! We put one upstairs and one downstairs. The downstairs one went off, and then the upstairs one soon after. Fire dept came out and confirmed. Life savers!
quality: 5 out of 5
value: 5 out of 5
6 guests found this review helpful. Did you?

Great

5 out of 5 stars
Thumbs up graphic, would recommend
TargetLove - 1 year ago, Verified purchaser
Seems great so far! Only had a couple weeks!
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

Works well

5 out of 5 stars
Thumbs up graphic, would recommend
CDO - 1 year ago, Verified purchaser
No complaints. Seems to work accurately and was easy to hang up.
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

Product

5 out of 5 stars
Thumbs up graphic, would recommend
Lisa - 2 years ago, Verified purchaser
Great product. Great value
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

CO savety

5 out of 5 stars
Thumbs up graphic, would recommend
Holli - 2 years ago, Verified purchaser
Was easy to install and just what we needed. Making us feel save.
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

Safety

5 out of 5 stars
Thumbs up graphic, would recommend
Shopper65 - 2 years ago, Verified purchaser
I bought for my daughter and I’m pleased that they were easy to install
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

Efficient CO2 monitor

5 out of 5 stars
Thumbs up graphic, would recommend
Meebz - 2 years ago, Verified purchaser
I like that they are small. Makes hanging them easy specially if you rent.
value: 5 out of 5
quality: 5 out of 5
Did you find this review helpful?

Carbon monoxide detector

5 out of 5 stars
Thumbs up graphic, would recommend
Shaken007 - 3 years ago, Verified purchaser
Great price for two- Definitely recommend
quality: 5 out of 5
value: 5 out of 5
1 guest found this review helpful. Did you?

Great Value

5 out of 5 stars
Thumbs up graphic, would recommend
Thump826 - 3 years ago, Verified purchaser
Great value and easy to install.
quality: 5 out of 5
value: 5 out of 5
1 guest found this review helpful. Did you?

Nice but small in size

4 out of 5 stars
hedgehog toy - 3 years ago, Verified purchaser
Smaller than I thought. But still ok.
value: 4 out of 5
1 guest found this review helpful. Did you?

Exactly what I needed

5 out of 5 stars
Thumbs up graphic, would recommend
Hofmama - 3 years ago, Verified purchaser
Exactly as ordered and easy to install. You can use the directions as a guide to mark the holes. They are the same width as the holes on the back of the device.
value: 5 out of 5
quality: 5 out of 5
1 guest found this review helpful. Did you?

(no review title)

5 out of 5 stars
Thumbs up graphic, would recommend
Jj - 4 years ago
No issues with detector
quality: 5 out of 5
value: 5 out of 5
2 guests found this review helpful. Did you?

Great product

5 out of 5 stars
Thumbs up graphic, would recommend
Momaduke - 4 years ago
Great easy to install . Only use first alert . carbon monoxide detectors and smoke detectors.
5 guests found this review helpful. Did you?

Taking precautions

4 out of 5 stars
ItsmeZ - 4 years ago
Easy to install! I have only had a week. Hopefully it does what it’s supposed to.
quality: 4 out of 5
value: 4 out of 5
2 guests found this review helpful. Did you?

(no review title)

5 out of 5 stars
Thumbs up graphic, would recommend
Bill - 4 years ago, Verified purchaser
Just what I thought they were.
quality: 5 out of 5
value: 5 out of 5
Did you find this review helpful?

Defective manufacture calls into question product reliability

1 out of 5 stars
Alarmed - 5 years ago
One of the two alarms in this two-pack was completely missing the receptacle where you plug in your battery. I have never purchased a battery operated product with such a problem before. Makes one wonder about product quality control to have such a blatant and obvious defect get through to the customer. What's worrisome is if some units have parts of their circuitry or their sensor defective or missing. The test alarm won't necessarily detect that. One doesn't want ones family's life resting on a product with even the slightest reason to question its reliability.
19 guests found this review helpful. Did you?

Bang for the Buck.

5 out of 5 stars
Thumbs up graphic, would recommend
Jimbo - 6 years ago, Verified purchaser
Very Good product from a reliable company.
Did you find this review helpful?

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