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Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated

by Kidde
4.6 out of 5 stars 26 customer reviews
| 4 answered questions
List Price: $46.99
Price: $21.43 & FREE Shipping on orders over $49. Details
You Save: $25.56 (54%)
In Stock.
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4.857142857142857 stars (21)
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  • Battery operated (three AAs included) to provide protection during power outages
  • Test-reset button tests the unit for proper operation and resets the carbon monoxide alarm
  • Forty percent longer life than other CO alarms
  • Seven-year end-of-life warning alerts user to replace CO alarm
  • Meets the requirements of Underwriters Laboratories (UL)
› See more product details
37 new from $16.45
$21.43 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated
  • +
  • Kidde i4618 (Firex)Hardwired Smoke Alarm with Battery Backup
Total price: $35.35
Buy the selected items together

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Item Package Quantity: 1
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Product Information

Item Package Quantity:1

Technical Details

Part Number GID-107540
Item Weight 10.2 ounces
Product Dimensions 2 x 8 x 11 inches
Item model number 21007268
Material Plastic
Power Source battery-powered
Item Package Quantity 1
Batteries Included? Yes
Batteries Required? Yes
Warranty Description Seven Year Limited Warranty

Additional Information

ASIN B001P3UO3Y
Customer Reviews
4.6 out of 5 stars 26 customer reviews

4.6 out of 5 stars
Best Sellers Rank #206,825 in Home Improvements (See top 100)
#142 in Home Improvement > Safety & Security > Fire Safety > Carbon Monoxide Detectors
#945 in Home Improvement > Safety & Security > Household Sensors & Alarms
#20,272 in Industrial & Scientific > Occupational Health & Safety Products
Shipping Weight 10.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available January 6, 2009

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers
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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsGreat look, good price, easy Install.
By J. Astesana on December 3, 2011
Item Package Quantity: 1 Verified Purchase
I picked this up and am gonna have to buy more. Out of the packeage this comes with the batteries needed to work, durecell, and screws. Its an easy two screw install: two screws mount the back plate to the wall, and the monitor slides down on the plate to mount. Aesthetically: it looks like a thermostat, about the same size too. I put this in the middle of the wall towards the end in the middle of the room, and I dont even notice it. I have to tell you, compared to the rest, this looks the best. I bought a different brand and it looks like a huge box... Unlike this! There are about several different alarms to tell you whats going on with the unit. Several different language instructions are included.
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5.0 out of 5 starsReassuring!
By Stephen Larsen on February 15, 2014
Item Package Quantity: 1 Verified Purchase
Inexpensive without all the bells an whistles of the more expensive ones.

I use it at my cabin where I heat with a wood stove. The cabin is small, and non insulated (Northerrn Michigan), and used mainly for hunting in the fall. It operates on batteries---which is fine and dandy since we have no electricity in the middle of the swamp.

Over the last 3 years, this has saved our butt on 2 occasions, by going off at night and waking us from our sleep. Both nights were below 20 degrees, so we had the wood stove really kicking out the heat(and rapidly using up the oxygen in the cabin). We exited the cabin, let it air out good, and then reoccupied it. Glad these are dependable. I also make sure to put fresh batteries in every fall.

We leave a window cracked about an inch now since these 2 incidents, and haven't had a problem since.
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4.0 out of 5 starsEasy and inexpensive fix for Calif. law
By Douglas N. Geis on November 29, 2012
Item Package Quantity: 1 Verified Purchase
This was an easy and inexpensive fix for our Calif. law requiring a carbon monoxide detector in every residence. It is not hard wired to the electrical system so you have to watch the battery life. I replace the batteries twice a year when I replace the smoke detector batteries.
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5.0 out of 5 starsWork fine
By Tran_Tran_VN on October 14, 2011
Item Package Quantity: 1 Verified Purchase
I bought two of these Kidde KN Nighthawks. Very easy to install and tested and it work fine. The shape is not round which I like b/c I don't want it to looks like another smoke detectors. I putted it by my mbr and in the hallway to my other bedrooms.
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5.0 out of 5 starsperfect for our needs.
By lily on December 29, 2013
Item Package Quantity: 1 Verified Purchase
We bought this carbon monoxide alarm for our family room. We had a no vent gas stove installed to use when the power goes out and the installer recommended that we get a carbon monoxide detector, just in case. This Kidde is perfect, it can be installed on a wall or sit on a side table. Perfect size and the battery lasts forever, and it let's us know when the battery needs replacing. Very happy with it.
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5.0 out of 5 starsSimple and easy
By CY on August 19, 2011
Item Package Quantity: 1 Verified Purchase
Purchased this because of the law. Product as described. It was easy to install and I hang this on top of my door chime. So far have no problem with the product.
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5.0 out of 5 starsBattery powered only.
By Wolfvader on August 13, 2013
Item Package Quantity: 1 Verified Purchase
I bought to use as a travel CO alarm. When travelling you never know if the hotel, motel, B&B, vacation home, trailer, etc., has a CO alarm or even a functioning alarm. This is being used as a backup travelling one. So, far haven't had to use it, but the peace of mind is worth it.
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5.0 out of 5 starsQuick Easy Protection
By Mickey R. Bailey on July 18, 2011
Item Package Quantity: 1 Verified Purchase
Small Footprint, hangs on two screws/nails with keyhole fittings. Replacement items for others that met life expectancy. Hope these never get activated by CO, only periodic testing.
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