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🚨 Stay ahead of danger with Kidde’s smart, portable CO shield!
The Kidde Carbon Monoxide Detector uses advanced electrochemical sensor technology powered by 2 AA batteries for continuous, reliable CO monitoring—even during power failures. Featuring an 85-decibel alarm, red and green LED indicators, event memory, and easy installation without wiring, it offers professional-grade safety in a compact, portable design backed by a 10-year limited warranty.

















| ASIN | B004Y6V6K4 |
| Alarm | Carbon Monoxide Detector Alarm |
| Best Sellers Rank | #8,808 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Carbon Monoxide Detectors |
| Brand | Kidde |
| Built-In Media | mounting hardware (screws, drywall anchors), user manual |
| Color | White |
| Customer Reviews | 4.7 out of 5 stars 36,216 Reviews |
| Enclosure Material | Carbon |
| Global Trade Identification Number | 00047871088720 |
| Item Dimensions D x W x H | 1.5"D x 4.5"W x 2.75"H |
| Item Type Name | Carbon Monoxide Detector |
| Item Weight | 8 ounces |
| Manufacturer | Kidde |
| Manufacturer Warranty Description | 10-year limited warranty |
| Mfr Part Number | KN-COB-LP2 9CO5-LP2 |
| Model Number | KN-COB-LP2 |
| Number of Items | 1 |
| Operating Humidity | 10%-95% relative humidity non-condensing |
| Power Source | Battery Powered |
| Product Dimensions | 1.5"D x 4.5"W x 2.75"H |
| Product Style | Clamshell Packaging |
| Sensor Type | Electrochemical |
| Style | Clamshell Packaging |
| UPC | 047871088720 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 °F |
E**G
Necessary saftey for the home
Essential, essential, and essential safety item for your home. Get one for each sleeping space! Do it!!!
M**J
Great Product
This product is a fantastic find! It's reasonably priced, making it accessible for most budgets without compromising on quality. The product is exactly as described, and its usefulness cannot be overstated. I've found it to be incredibly practical and efficient in meeting my needs. The attention to detail is impressive, and the performance is on par with more expensive alternatives. If you're looking for something reliable, well-made, and at a fair price point, this is the perfect choice. Highly recommended!
C**G
Essential home device
The Kidde Battery Powered Carbon Monoxide Detector is a reliable and easy-to-use safety device for any home. Its battery operation allows for flexible placement and continuous protection, even during power outages. The LED indicators clearly show the alarm's status, while the test-reset button provides peace of mind for proper functioning. In real-world use, I found the installation process straightforward, with the slide-out battery door making battery replacement hassle-free. The alarm's 85-decibel alert is loud enough to wake you from sleep, which is crucial for nighttime CO detection. The low battery indicator chirps when it's time for a replacement, ensuring uninterrupted protection. One minor drawback is the need to replace batteries periodically, but this is outweighed by the portability and versatility of the unit. Overall, this Kidde CO detector offers essential protection against the silent killer at an affordable price point, making it a smart choice for homeowners and renters alike.
E**S
Simple, Reliable CO Alarm for Peace of Mind
Simple, Reliable CO Alarm for Peace of Mind The Kidde battery-powered carbon monoxide detector is an easy and affordable way to add an extra layer of safety at home. I like that it runs on batteries, which makes it portable and flexible—you can mount it on a wall or just place it on a shelf without worrying about wiring. The test/reset button is straightforward, and the LED indicators give quick reassurance that it’s working. It’s very lightweight but still feels solidly built, and installation was as simple as popping in the batteries. The low battery chirp is loud enough to notice, and the alarm itself is piercing, which is exactly what you want if it ever goes off in an emergency. Because it’s battery-powered, you’ll need to stay on top of changing batteries regularly, but the trade-off is portability—you can move it between rooms or even take it on trips. For long-term setups, combining it with a hardwired or plug-in unit gives the best coverage. Bottom line: A dependable, no-frills carbon monoxide alarm that’s easy to install and portable—an inexpensive safety essential for any home.
B**R
Worked well
Works as advertised
M**R
Nice piece of essential household equipment
This was easy to set up and install. I am glad that I did not buy another corded model, because this battery operated one can be installed in the best place for detection, not the best place for power. It the sensors in all these CO detectors have a definite life span, 5 years or so, and the other advantage of this model is it will not be nearly as expensive to own over its lifespan compared with the corded models. While this one does not have the bells and whistles such as an LED panel to indicate CO levels and to remind you that it is functioning, it will alarm as soon as CO levels reach harmful levels, and it has a small green led that flashes every 30 seconds to inform you that it is operating and functioning properly. After owning two other CO detectors I would recommend that one simply figure out a way to remind yourself to routinely replace these at the 5 year life span point, because when they finally wear out they alarm. Our first one did so while we were gone and not knowing what was happening when we returned and found it alarming we were told by the gas company to stay out of the home and call the fire department. Our whole community volunteer fire department arrived. They donned their respirator masks and marched quick time, into our home with their axes in port arms position! Though they were going to start demolishing the place (they looked ready, willing, and very able to). What nice Saturday night entertainment for the neighborhood. We learned from the Fire Chief that CO detectors just wear out and that our house was safe to occupy. The second CO detector "wore out" in the middle of the night. It was during the summer so I knew that it wasn't our gas furnace that had gone faulty, etc., but what a way to be awakened. I wrote the five year from purchase date right on the cover of this one so I know when to replace it. Recommend this model and feel that every home should have one of these as well as smoke alarms. A small price to pay to avoid asphyxiation.
C**7
Works as it should
Works as it should
L**Z
We lived in a van for a while and are still okay so it works lol
I mean ... we never suffocated while living in a van and it would go off if moved the wrong way or if the buttons got accidentally pushed. So I'd say besides waking us up sometimes at least it works.
M**.
So bad not working
I don’t recommend
B**E
DAMAGED and UNPROFESSIONAL
it’s not right to ship it out like that, sending it back for a refund
D**.
Seems to work well, after all, I'm still here...
This is my second one, got it because the first one was pretty old, battery was getting low.
G**H
High quality product.
a good product, the high cost is not justified.
F**.
La qualité de ce produit.
J'ai acheté ce modèle il y a 10 ans et c'est le terme de ce produit, alors comme les 10 ans étaient terminées, j'en ai acheté un autre identique car j'étais très satisfaite de ce modèle. Merci
Trustpilot
2 days ago
2 weeks ago