SKU: 80775066315

First Alert 2-Pack Battery-Operated Carbon Monoxide Detector

$35.99 $39.99
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 18 - Sep 23

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Description

First Alert 2-Pack Battery-Operated Carbon Monoxide DetectorThe 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

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.

  • Battery operated to provide continuous monitoring of CO levels, even during a power failure

  • Advanced electrochemical sensor detects carbon monoxide levels no matter where the detector is installed

  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels

  • CO alarms should be placed on every level and in every bedroom of the home

  • 5-Year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit

  • Tested to meet UL standards

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80775066315

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4.1 ★★★★★
Based on 6 reviews
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Verified Purchase
Nordia68
Louisville, US
★★★★★ 5
Back pack
Color: Apricot, Size: 16 Inch, Color: Apricot, Size: 16 Inch
bought this backpack to carry my laptop, and it exceeded my expectations. The material feels strong and durable, perfect for daily use. It has a sleek, professional design with enough room for the laptop, charger, and a few accessories. The zippers work smoothly, and the straps are comfortable even when the backpack is full. It’s also lightweight, making it easy to carry around. Overall, it’s an excellent choice for students or professionals looking for a practical, stylish, and reliable backpack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2025
P
Verified Purchase
Pda
Bozeman, US
★★★★★ 4
Good basic backpack
Color: Black, Size: 16 Inch
Good size backpack. Unfortunately the front side zip pocket does not fit 13 in laptop. Otherwise it's a pretty generic backpack. Material looks and feel good
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Reviewed in the United States on November 16, 2025
A
Verified Purchase
Anna
Phoenix, US
★★★★★ 5
Such a Pretty Backpack.
Color: Apricot, Size: 16 Inch
I love this backpack. It's very beautiful and very comfortable to wear. I mainly bought it for a trip to Prague, but I love this bag so much I started using it daily. The quality feels good all around. The zippers are really smooth and the straps are very comfortable. One of my friends happened to take such a liking to it that she ordered her own too. The different pockets allow for easy organization and quick access. It's very stylish and so far, its been quite durable. I've used it for a little less than 5 months and a trip to the other side of the world, but its still holding up.
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Reviewed in the United States on March 23, 2026
Y
Verified Purchase
Yunely Machado
Waukegan, US
★★★★★ 5
"Quality and style in a single backpack"
Color: Apricot, Size: 16 Inch
"The backpack has an elegant and minimalist design, with a smooth and good quality finish. It is spacious, has several practical pockets and looks resistant for daily use. The neutral color makes it easy to combine and perfect for both work and travel. Very functional and with excellent presentation.”
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Reviewed in the United States on December 9, 2025
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Verified Purchase
Khaila Williams
Bozeman, US
★★★★★ 5
Quality for your money.
Color: Apricot, Size: 16 Inch
I am beyond pleased. Everything works well. I was just think yesterday after looking at it that i will have this bag long because it strong like keep for years strong, no joke. It is worth it. Easy to use, the space is enough for a University Student like me, and it adjsut well but I'm guessing it's manufacturing problem as one starp is longer than the other and feels funny at time but I work around it and adjust to my comfort.
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Reviewed in the United States on March 24, 2026

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