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Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
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Purchase options and add-ons
Brand | Kidde |
Style | Detector |
Power Source | Plug In |
Color | White |
Product Dimensions | 1.75"D x 3.75"W x 6.06"H |
Alarm | Audible |
Operating Humidity | 5% to 95% relative humidity, non-condensing |
Upper Temperature Rating | 37.8 Degrees Celsius |
Sensor Type | Ionization |
Global Trade Identification Number | 00784908007605 |
About this item
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 9-volt battery backup provides protection during a power outage
- Digital LED display shows the level of carbon monoxide the CO alarm is sensing
- 85-decibel alarm announces when carbon monoxide is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
Frequently bought together

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- Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byNordic Swan Ecolabel is the Nordic's most recognised environmental certification. A product that carries the Nordic Swan Ecolabel complies with product specific environmental, health and quality requirements in all relevant stages of the lifecycle - raw materials, production, usage, re-use and recycling. The requirements are designed to protect environment and health by focusing on biodiversity in forests, land and sea, restriction on hazardous substances, resource efficiency, circular economy and reduction of greenhouse gas emissions.Manufacturing practicesManufactured using processes that reduce the risk of negative environmental impact.As certified byThe Nordic Swan Ecolabel
Nordic Swan Ecolabel is the Nordic's most recognised environmental certification. A product that carries the Nordic Swan Ecolabel complies with product specific environmental, health and quality requirements in all relevant stages of the lifecycle - raw materials, production, usage, re-use and recycling. The requirements are designed to protect environment and health by focusing on biodiversity in forests, land and sea, restriction on hazardous substances, resource efficiency, circular economy and reduction of greenhouse gas emissions. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Energy efficiencyConserves energy compared to similar products.As certified byGreenCircle Certified: Certified Energy Savings
GreenCircle certifies that a product saves energy in the use-phase when compared to similar products in the marketplace or a previous version of that product. Certified Energy Savings are represented as the percentage by which the product has reduced energy consumption compared to a standard product. A product must meet a 10% energy savings threshold to qualify for Climate Pledge Friendly. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byU.S. EPA Safer Choice
U.S. Environmental Protection Agency (EPA) created the Safer Choice label to help you find products made with safer ingredients for the health of families, pets, workplaces, and the environment. Safer Choice certified products have been carefully evaluated by EPA scientists. Every ingredient must meet strict safety criteria for both human health and the environment. Products must also meet performance requirements to make sure they work. Products made with safer ingredients can help improve indoor air quality and protect municipal waterways. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Forestry practicesMade with materials from well-managed forests, recycled materials, and/or other controlled wood sources.As certified byThe Forest Stewardship Council
The Forest Stewardship Council (FSC) supports responsible forestry, which is a vital solution to combat climate change. Choosing FSC-certified products – whether furniture, building materials, paper, rubber, or textiles – helps protect forests, wildlife, clean water and supports the Indigenous Peoples, forest workers and communities who depend on them. Choosing FSC-certified products can also help to mitigate climate change by supporting responsible management of the world’s forests. For a better future, choose FSC. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Energy efficiencyConserves energy compared to similar products.As certified byGreenCircle Certified: Certified Energy Savings
GreenCircle certifies that a product saves energy in the use-phase when compared to similar products in the marketplace or a previous version of that product. Certified Energy Savings are represented as the percentage by which the product has reduced energy consumption compared to a standard product. A product must meet a 10% energy savings threshold to qualify for Climate Pledge Friendly. - Sustainability features for this product
Sustainability features
This product has sustainability features recognized by trusted certifications.Safer chemicalsMade with chemicals safer for human health and the environment.As certified byOEKO-TEX STANDARD 100
STANDARD 100 by OEKO-TEX requires every component of a textiles product—including all thread, buttons, and trims—to be tested against a list of more than 1,000 harmful regulated and unregulated chemicals which may be harmful to human health. The assessment process is globally standardized, independently conducted, and updated at least once a year based on new scientific information or regulatory requirements. Certification focus: #ProductSafety and #ChemicalsUsed.Certification Number25.HCN.16123
From the manufacturer


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What is Carbon Monoxide?
Carbon Monoxide (CO) is colorless, odorless and tasteless poison gas that can be fatal when inhaled.
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Potential Sources of CO
There are several different sources that carbon monoxide can come from within the home.
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Signs of CO in Pets
53% of pet owners cannot identify the symptoms of CO poisoning because they are often nonspecific.
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Kidde Carbon Monoxide (CO) Detectors – Plug-In
![]() CO + Digital Display
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| ![]() Explosive Gas + CO Alarm
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| ![]() 10-Yr CO Alarm
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| ![]() 10-Yr + Voice CO Alarm
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| ![]() Smart CO Alarm
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| ![]() 10-Yr + Light CO Alarm | ![]() CO Alarm
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| |
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Customer Reviews
|
4.7 out of 5 stars 27,169
|
4.6 out of 5 stars 16,018
|
4.6 out of 5 stars 16,018
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4.8 out of 5 stars 62
|
4.1 out of 5 stars 282
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4.8 out of 5 stars 117
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4.7 out of 5 stars 34,316
|
Price
| $42.94$42.94 | $62.59$62.59 | $62.59$62.59 | $93.07$93.07 | $40.00$40.00 | — | $24.79$24.79 |
Detection Type
| Carbon Monoxide | Explosive Gas, Carbon Monoxide | Carbon Monoxide | Carbon Monoxide | Carbon Monoxide & Air Quality | Carbon Monoxide | Carbon Monoxide |
Power Source
| Plug-In; 9V Backup (included) | Plug-In; 9V Backup (included) | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-in; 10-Yr Battery Backup | Plug-In; 2AA Backup (included) |
No Battery Changes/Night Chirp
| — | — | ✔ | ✔ | ✔ | ✔ | — |
Digital Display
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | — |
Peak Level Memory
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | — |
Event Memory
| — | — | — | — | — | — | ✔ |
Voice Alerts
| — | — | — | ✔ | ✔ | — | — |
Connects to WiFi & Kidde App
| — | — | — | — | Real-Time App Notifications | — | — |
Tamper Resistant
| ✔ | — | — | — | — | — | ✔ |
Night Light
| — | ✔ | — | — | ✔ | ✔ | — |
Mounting Options
| Outlet | Outlet, Wall Mount, & Tabletop | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug | Outlet;90-Degree Rotating Plug |
UL Listed
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Product information
Technical Details
Brand | Kidde |
---|---|
Style | Detector |
Power Source | Plug In |
Color | White |
Product Dimensions | 1.75"D x 3.75"W x 6.06"H |
Alarm | Audible |
Operating Humidity | 5% to 95% relative humidity, non-condensing |
Upper Temperature Rating | 37.8 Degrees Celsius |
Sensor Type | Ionization |
Global Trade Identification Number | 00784908007605 |
Material | ABS |
Number of Items | 1 |
Manufacturer | Kidde |
UPC | 784908007605 |
Part Number | 900-0076 |
Item Weight | 1.06 pounds |
Country of Origin | Mexico |
Item model number | KN-COPP-3 |
Batteries | 2 AA batteries required. (included) |
Is Discontinued By Manufacturer | No |
Size | 1 Pack |
Finish | white |
Pattern | Detector |
Shape | Rectangular |
Voltage | 120 Volts |
Wattage | 1 KW |
Installation Method | Plug-in |
Luminous Flux | 1 Lumen |
Number of Handles | 1 |
Cutting Diameter | 1 Centimeters |
Certification | Yes |
Usage | Amateur |
Included Components | one user manual, one 9V battery, one CO alarm, model KN-COPP-3, one mounting hardware packet (for wall-mount option) |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Description Pile | DURACELL 9V |
Battery Capacity | 9 |
Warranty Description | 10 Year Limited |
Assembled Diameter | 1 Centimeters |
Additional Information
ASIN | B00002N86A |
---|---|
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #2,128 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #9 in Carbon Monoxide Detectors #11 in Smoke & Carbon Monoxide Alarms |
Date First Available | January 16, 2007 |
Warranty & Support
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Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
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Product Description
Product Description
The Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display uses electrochemical sensor technology to detect poisonous CO gas in your home and alert you by sounding an 85-decibel alarm. Setup is easy as the Kidde carbon monoxide alarm plugs into a standard, 120V AC power outlet in your home, while a 9-volt alkaline battery (included) works as a backup in the event of a power failure. When carbon monoxide is detected, the digital display shows the level of carbon monoxide the alarm is sensing and updates every 15 seconds. Peak Level Memory records the last time carbon monoxide was detected or when the unit was tested. The Smart-Hush button silences the unit for approximately 8 minutes, which is helpful when this smoke detector carbon monoxide detector combo sounds from things like routine cooking or shower steam. Extension cord (included) allows for placement on a table or shelf. Install a carbon monoxide smoke detector combo on every level of your home and near bedrooms to help keep your family safe. UL Certified with a 10-year limited manufacturer's warranty. Meets requirements of UL 2034, UL217, NFPA72, (chapter 11 2002 edition) The State of California Fire Marshal, NFPA101 (One and two family dwellings) Federal Housing Authority (FHA), Housing and Urban Development (HUD).
Amazon.com
Protect your family from the dangers of carbon monoxide (CO) exposure with the Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display. The Nighthawk is an easy-to-install unit that provides reliable protection against the dangers of CO. It features a digital display that shows CO levels in parts per million allowing you to see if, how, and when levels change.
KN-COPP-3 Nighthawk
Carbon Monoxide Alarm
At a Glance:
- Plug-in unit with battery backup and digital display that shows CO level
- Level button displays the peak CO level recorded by the alarm since it was last reset
- Loud alarm pattern sounds when unit detects elevated CO levels
- Direct-plug, 6-foot power cord, and table top mounting options.
- Five-year limited warranty
This discreet alarm is designed to fit into any standard A/C outlet in your house.
View larger.
The easy-read digital display updates every 15 seconds to indicate any abrupt changes or alarming trends in CO levels. View larger.Advanced Technology in an Easy-to-Install, Plug-In Design
Designed for home use, the Kidde KN-COPP-3 Nighthawk is a UL-listed, A/C-powered, plug-in CO alarm that utilizes sophisticated electronic components and sensor technology to protect you and your family from the dangers of CO. It plugs directly into a standard A/C outlet and includes a 9-volt battery backup that provides continuous monitoring of CO levels--even during power outages.About Carbon Monoxide: The Silent Killer
The leading cause of accidental poisoning deaths in North America, carbon monoxide (CO) is often referred to as the silent killer because it's odorless, tasteless, and invisible. Carbon monoxide poisoning can come about via a number of sources, including everyday items and appliances in your home or office. And because symptoms of CO poisoning mimic the flu or other common illnesses it can often go undiagnosed.Audible Alarm Pattern Alerts you to Elevated CO Levels
When placed on every level of your home, alarms like the KN-COPP-3 Nighthawk can help protect everyone in the house from CO exposure by giving you an unmistakable signal when levels have reached an unhealthy point. If unhealthy levels are detected, the alarm will emit four quick audible beats every five seconds until either levels decrease or the reset button is pressed.Easy-to-Read Digital Display Shows CO Levels
The KN-COPP-3 Nighthawk is unique among traditional CO alarms because of its digital display. This display clearly shows levels of CO that the unit has detected and stored-- from 30 to 999 ppm--and it updates every 15 seconds to indicate any abrupt changes or alarming trends. The display also shows the peak CO level recorded by the alarm since it was last reset or unplugged.LED Shows Sensor Status
With the KN-COPP-3 Nighthawk, you never have to wonder if the sensor is functioning properly. A blinking dot in the lower right-hand corner of the display denotes normal operation, so you can trust that it's working. In addition, you can test alarm function by pressing the test/reset button at any time to verify that the horn and electric circuitry are operating properly.Convenient Mounting Options
The KN-COPP-3 Nighthawk has a low-profile design that makes it suitable for any room in your home. The detector can be plugged into any standard A/C outlet; it's plug can be snapped into the back of the unit and can be rotated so the alarm remains vertical, independent of whether the electrical socket is mounted vertically or horizontally. In addition, the alarm comes with a 6-foot extension cord, so the unit can be plugged into the wall outlet and then placed on a table or shelf. For the most thorough protection, place an alarm on every level of your home.The UL-listed Kidde KN-COPP-3 Nighthawk has a seven-year life and is backed by a five-year limited warranty.
About Kidde: A UTC Fire and Security Brand
Renowned for global leadership in fire detection and suppression, Kidde provides solutions ranging from portable fire extinguishers to advanced industrial controls such as flame detection and explosion suppression systems. Kidde is a UTC Fire and Security brand, with a history that's rich with innovations, from the patent of the Chubb Detector Lock in 1818 to the development of the world's first wireless networked smoke detectors in 2004.What's in the Box
Kidde KN-COPP-3 Nighthawk CO Alarm, 9-volt battery, mounting hardware, and installation guide.
Keep your family safe by placing alarms and extinguishers in each area of the house, and by having a fire escape plan. Click here for a detailed image.
From the Manufacturer
The leading cause of accidental poisoning deaths in North America, Carbon Monoxide is odorless, tasteless and invisible, it's a silent killer. Kidde CO alarms include the most accurate sensing technology available, the patented Nighthawk electrochemical sensor. This alarm can be mounted three ways: plug directly into AC receptacle, mount on tabletop using 8 foot power cord, or wall-mount. The digital readout continuously displays carbon monoxide levels from 30-999 parts per million. This unit has a loud, 85-decibel alarm that sounds when CO reaches dangerous levels. One of the features of this product is peak level memory, which means this unit will recall highest level of CO present since previous reset. Install at least one CO alarm on every floor and in sleeping areas. Make sure CO alarms are at least 15 feet away from cooking or heating appliances to prevent false alarms. Replace CO alarms every 5 to 7 years to benefit from the latest technology upgrades.
Top Brand: Kidde
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Price | -40% $42.94$42.94 List: $71.50 | $93.00$93.00 | $59.99$59.99 | $28.98$28.98 | $39.99$39.99 | -33% $40.00$40.00 Typical: $59.94 |
Delivery | Get it as soon as Monday, May 5 | Get it as soon as Monday, May 5 | Get it as soon as Monday, May 5 | Get it as soon as Monday, May 5 | Get it as soon as Monday, May 5 | — |
Customer Ratings | ||||||
Sold By | Amazon.com | Chad Center LLC | Koabbit | KH Alert | Fuyi Factory | VYRO |
power source | Plug In | ac dc | Plug in or Battery Power | AC | Corded Electric | Plug-In |
sensor type | Ionization | Electrochemical | Catalytic, Electrochemical | Electrochemical | — | Electrochemical |
style | Detector | — | 2 PACK GAS+CO+Backup Functions | Modern | — | Carbon Monoxide + Air Quality |
alarm | Audible | — | Alarm | Audible | Audible | Carbon Monoxide & Indoor Air Quality |
operating humidity | 5% to 95% relative humidity, non-condensing | — | 15%~90% RH | — | — | up to 95% relative humidity, non-condensing |
Important information
MANUFACTURED BY KIDDE WITH NIGHTHAWK TECHNOLOGY
New in open box
1 lm
1 °C
1 KW
120 volts
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 find the carbon monoxide detector reliable, working well for up to 2 years and featuring a 10-year lifetime rating. They appreciate its user-friendly setup and installation, easy-to-read digital display, and consider it worth the price. The device has a loud audible alarm, and while it includes a battery backup, some customers report issues with failing batteries.
AI-generated from the text of customer reviews
Customers find that the carbon monoxide detector works well, with some reporting it has been functioning properly for up to 2 years.
"Works great, easy to install , feel safe now ." Read more
"Very nice, works great, nice to have at a great price." Read more
"Plug and Play - used in my daughter's college apartment - no issues" Read more
"...So far seems to work well and a nice piece of mind." Read more
Customers find the carbon monoxide detector easy to set up and plug in, with one customer noting that it comes with a 9V battery included.
"Works great, easy to install , feel safe now ." Read more
"Plug and Play - used in my daughter's college apartment - no issues" Read more
"...What I like about this detector is the directions have great specifics for set up to avoid false positives and a freak out. Yeah, I did...." Read more
"Easy to install! Replaced the one I have been using for the last 25 years." Read more
Customers appreciate the carbon monoxide detector's build quality, noting its well-made construction and 10-year sensor life.
"...and I wished it was a little better packaged, but there was nothing broken and everything seemed to be there, so I'm happy...." Read more
"This unit lasts seven years, then beeps says error on the screen when it's time to replace. Of course my old unit started beeping 4am one morning." Read more
"HORRIBLE....THEY WERE DEFECTIVE AND BEEPING CONSTANTLY FOR NO REASON!" Read more
"...Dependability: The unit runs on AC with a battery backup and a long life-span from a top manufacturer. 3. Monitoring:..." Read more
Customers find the carbon monoxide detector well-worth the price, describing it as cheap life insurance and an important piece of equipment for home safety.
"Very nice, works great, nice to have at a great price." Read more
"...Not sure how long the sale is for. But the singles are a great price now. Hope you score a savings, too...." Read more
"...I consider this unit a very good value but other models are smaller and less intrusive...." Read more
"...certainly not the cheapest CO unit on the market, but it's a good value for the money...." Read more
Customers find the carbon monoxide detector effective, with one customer noting it accurately indicates when carbon monoxide is present.
"...alarm utilizes sophisticated electronic components and unmatched sensor technology to protect you and your family from the dangers of CO...." Read more
"...Tested it by running the old tractor again and it alarmed as described in the instructions...." Read more
"Quality Kidde brand CO detector...." Read more
"...good that the unit gives a beep and status (end.) when the end of service is reached." Read more
Customers appreciate the carbon monoxide detector's readability, with its clear digital display and easy-to-see readout.
"...Although it’s a bit large has a keen sense of detection. There’s no price or device size that matters with safety...." Read more
"...Easy-to-Read Digital Display Shows CO Levels The KN-COPP-3 Nighthawk is unique among traditional CO alarms because of its digital display...." Read more
"...Display is easy to read and the alarm is very loud. P" Read more
"...CO buildup from harming us, thanks to this CO detectors audible & visual alerts...." Read more
Customers have mixed experiences with the carbon monoxide detector's battery life, with some appreciating that it has both AC power and a 9V backup, while others report that the included battery fails and runs out quickly.
"...This silent guardian is always on the job, battery back up when power is lost." Read more
"...complaint that I have, when plugged into the outlet, it tends to come loose very easily. But since it comes with the 9V battery, I was not worried...." Read more
"...Can be plugged in with the back up battery or wall mounted with battery alone. Although it’s a bit large has a keen sense of detection...." Read more
"...directly into any standard 110-volt power outlet and it has a 9-volt battery backup, battery included...." Read more
Customers have mixed opinions about the carbon monoxide detector's noise level, with some appreciating its very loud audible alarm and loud test alarm, while others find it too noisy.
"HORRIBLE....THEY WERE DEFECTIVE AND BEEPING CONSTANTLY FOR NO REASON!" Read more
"...Well that all changed one day when I was woken out of my sleep by a LOUD alarm I had never heard before going off...." Read more
"...Display is easy to read and the alarm is very loud. P" Read more
"...It was January. When came home one night to hear a strange beeping sound. Back then we didn't have fancy smart phones like we do now...." Read more
Reviews with images

Quality CO detector. Worthwhile investment.
Top reviews from the United States
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- Reviewed in the United States on March 17, 2025Size: 1 PackStyle: DetectorVerified PurchaseWorks great, easy to install , feel safe now .
- Reviewed in the United States on March 18, 2025Size: 1 PackStyle: DetectorVerified PurchaseVery nice, works great, nice to have at a great price.
- Reviewed in the United States on March 24, 2025Size: 1 PackStyle: DetectorVerified PurchasePlug and Play - used in my daughter's college apartment - no issues
- Reviewed in the United States on January 3, 2025Size: 1 PackStyle: DetectorVerified PurchaseThis arrived quickly, and I wished it was a little better packaged, but there was nothing broken and everything seemed to be there, so I'm happy. However, the fact it has a 10-year warranty and I lost a year as it is already years old makes me wonder, but we shall see. My furnace guy suggested I get something like this, so I went looking hoping he'll approve when he comes next year, but also hoping I won't need this thing to be honest. So far seems to work well and a nice piece of mind.
- Reviewed in the United States on April 13, 2025Size: 1 PackStyle: DetectorVerified PurchaseCO is deadly protect your family! This silent guardian is always on the job, battery back up when power is lost.
- Reviewed in the United States on February 7, 2025Size: 1 PackStyle: DetectorVerified PurchaseUpon recommendation for ability, and the fact our current CO detector is pushing seven during renovations. It attaches to the ceiling. Figured replacement early based on quality of function for new device and huge savings to buy two as singles if worth it. As vintage ceiling tile are being installed and this device is flexible as to where it sets up. Can be plugged in with the back up battery or wall mounted with battery alone.
Although it’s a bit large has a keen sense of detection. There’s no price or device size that matters with safety. But if ya can score a discount kudos.
No matter what detector you buy make sure it has a digital read on how much CO2 is invading when it does.
To know what’s safe … 0 😁 all seriousness, under 30. The booklet explains the levels. How the device will function in a warning situation. Symptoms o look out for. How long it’ll take to read CO2 depending on how severe it is.
It’s recommended to take one on trips when staying at hotels and this detector is easy to set up anywhere. The two pronged action is helpful since this vintage house has a mix of two and three. But for a trip the 9 volt battery is good to go.
For RVers this is a must have. Even in a van camping. Better to be safe than sorry.
Tip: Write the date of install in permanent marker on the face. This way no need to remember.
Tip 2: Same with smoke and fire detectors. For those , what I do is write the yr and month the battery is changed every time. Thin permanent marker should leave plenty of room.
Unless hardwired and in ten you just emplacements it. Still, add the date of install. Same with fire extinguishers. Doesn’t hurt to have the fire department inspect it periodically.
I know people who’ve lost their hem to fire. Not fun. I know people, like myself, a CO detector got us outta the house.
What I like about this detector is the directions have great specifics for set up to avoid false positives and a freak out. Yeah, I did. It was scary. Thank goodness the two times it was for real we were safe.
Though at that time we didn’t have a level readout. That’s what makes this gem such a peace.
Not sure how long the sale is for. But the singles are a great price now. Hope you score a savings, too.
Hope I never hear these defectors go off. But I feel save knowing new ones are in place every ten or less years, if your renovating, where to restock 😊
- Reviewed in the United States on April 2, 2025Size: 1 PackStyle: DetectorVerified PurchaseGood product, well packaged.
- Reviewed in the United States on April 25, 2025Size: 1 PackStyle: DetectorVerified PurchaseEasy to install! Replaced the one I have been using for the last 25 years.
Top reviews from other countries
- Mrs Stella NicholsonReviewed in the United Kingdom on September 1, 2021
1.0 out of 5 stars Did not work
Size: 1 PackStyle: DetectorVerified PurchaseI have a boiler in one of the bed rooms so thought it was important to have a good alarm .put battery in plugged it in .Reading came up as "0".The next morning it did intermittent bleep I went to check it the battery was flat the plug was red hot ,fire hazard so I sent it back cost me £12.75 to send it to Spain !!!
- Fred lorussoReviewed in Canada on January 3, 2020
5.0 out of 5 stars good product
Size: 6 PackStyle: Pack of 6Verified PurchaseGood product (i have used it before as well) and i appreciated that they came with batteries for the back up feature.
- Matt & KimReviewed in Canada on April 15, 2018
4.0 out of 5 stars They seem good, a couple were banged up from shipping but ...
Size: 6 PackStyle: Pack of 6Verified PurchaseThey seem good, a couple were banged up from shipping but they still work. All of them were manufactured well over a year ago... so only time will tell if they still last ten years or not.
- DonReviewed in Canada on January 14, 2017
1.0 out of 5 stars poor quality control.
Size: 6 PackStyle: Pack of 6Verified PurchaseTwo of the 12 packages were missing the battery pack and the battery Holder. Also missing was the back cover....