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Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

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Availability: In Stock.
Fulfilled by Homestead Supply & More βœ…

Arrives Jan 30 – Feb 1
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Style: Clamshell Packaging


Features

  • Electrochemical sensor technology detects CO gas
  • Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included); Install on a wall of your home or place on a tabletop
  • Green LED indicates power to the carbon monoxide detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
  • Event Memory records the last time carbon monoxide was detected or when the unit was last tested

Description

The Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable, model 9CO5LP2, is a carbon monoxide detector that uses electrochemical sensor technology to detect carbon monoxide. The CO detector is powered by 2-AA alkaline batteries located in the back of the unit, providing easy installation & no wiring, plus coverage during a power failure. The alarm is conveniently designed and portable enough for travel - simply install it on a wall or place it on a tabletop. When carbon monoxide is detected, an 85-decibel alarm will sound & a red LED will flash. A green LED indicates that the alarm is receiving power. The test-hush button allows you to test the battery operations as well as temporarily silence the low battery chirp warning. Install a smoke detector & carbon monoxide detector on every level of your home and near bedrooms to help keep your family safe from fire & poisonous gas. UL Certified with a 10-year limited manufacturer's warranty. Kidde 9CO5-LP With the use of sophisticated electronic components, the Kidde 9CO5-LP battery-operated carbon monoxide alarm protects you and your family from the dangers of carbon monoxide. Also included is an intuitive slide-out battery door that gives easy and immediate access to the batteries and a safety feature mechanism that makes the unit difficult to close without the proper installation of the batteries. This easy-to-install alarm is appropriate for all living areas and comes with a 7-year life warranty and 5-year limited warranty. Consumer Benefits The Kidde 9CO5-LP will alert you and your family with a loud warning signal against the dangers of elevated carbon monoxide levels in your home. This battery-operated carbon monoxide alarm continuously monitors carbon monoxide levels, even during power outages when AC-only units are not providing protection. Technical Specifications This unit uses an electrochemical sensor, and when it detects carbon monoxide, it will alert the user with a distinct pattern. The alarm pattern is four short beeps, followed by five seconds of silence, then four more short beeps with a corresponding red LED light. This cycle will continue for four minutes and then change to one cycle every minute until the device is reset or the carbon monoxide is eliminated. In addition, the red LED light will pulse to indicate carbon monoxide has been detected until the device is reset or carbon monoxide is removed from the surrounding area. When there is no carbon monoxide present, a green LED light will flash every 30 seconds, indicating a properly operating alarm when power is present. What's in the Box One Kidde 9CO5-LP unit and three AA batteries. Features/SpecificationsBattery operated (3AA batteries included) - Provides protection during power outages Battery lockout system – Deters covering battery compartment without installation of batteries Slide-out battery door cover – Gives immediate access to batteries Test/reset button – Tests the unit for proper operation and can also reset the Carbon Monoxide alarm Low battery signal – Alerts user when the battery needs to be replacedGreen LED – Flashes every 30-seconds to indicate the unit is operating properly Red LED – When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); From the Manufacturer The Kidde KN-COB-B-LPM battery operated carbon monoxide alarm utilizes sophisticated electronic components to protect you and your family from the dangers of carbon monoxide. This alarm includes a slide-out battery door that gives immediate access to the batteries and a safety feature that makes it difficult to close the door without the batteries being installed. Inside cover of battery door features quick reference guide for what to do in case of an alarm. This easy-to-install alarm is suitable for all living areas and has a 7-year life and a 5-year limited warranty. The Kidde KN-COB-B-LPM provides you and your family with a loud warning signal against the dangers of elevated carbon monoxide levels in your home. The battery operated CO alarm provides continuous monitoring of CO levels, even during power outages when AC-only units are not providing protection. This unit is battery operated and has 3 AA batteries included. The test/reset button tests the unit for proper operation and also resets the carbon monoxide alarm. A low battery signal alerts users when the batteries needs to be replaced. A green LED flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before a CO reading is taken and when any button is pressed. A red LED will pulse and a loud alarm pattern will sound when a dangerous level of carbon monoxide is detected. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated. The alarm alerts user to replace CO alarm after 7 years of operation. See more

Brand: Kidde


Style: Clamshell Packaging


Power Source: Battery Powered


Color: White


Product Dimensions: 1.5"D x 4.5"W x 2.75"H


Item Weight: 8 ounces


Alarm: Carbon Monoxide Detector Alarm


Operating Humidity: 10%-95% relative humidity non-condensing


Compatible Devices: Residential


Upper Temperature Rating: 100 Degrees Fahrenheit


Brand: β€ŽKidde


Style: β€ŽClamshell Packaging


Power Source: β€ŽBattery Powered


Color: β€ŽWhite


Product Dimensions: β€Ž1.5"D x 4.5"W x 2.75"H


Item Weight: β€Ž8 ounces


Alarm: β€ŽCarbon Monoxide Detector Alarm


Operating Humidity: β€Ž10%-95% relative humidity non-condensing


Compatible Devices: β€ŽResidential


Upper Temperature Rating: β€Ž100 Degrees Fahrenheit


Sensor Type: β€ŽIonization


Global Trade Identification Number: β€Ž20


Material: β€ŽCarbon


Number of Items: β€Ž1


Manufacturer: β€ŽKidde


UPC: β€Ž047871088720


Part Number: β€ŽKN-COB-LP2 9CO5-LP2


Item model number: β€ŽKN-COB-LP2


Batteries: β€Ž2 AAA batteries required. (included)


Is Discontinued By Manufacturer: β€ŽNo


Size: β€Ž1 Pack


Pattern: β€ŽDetector


Voltage: β€Ž3 Volts


Item Package Quantity: β€Ž1


Temperature Range: β€Ž40 deg. F (4.4 C) to 100 deg. F (37.8 C) Degrees Fahrenheit


Certification: β€Žnot_applicable


Included Components: β€Žmounting hardware (screws, drywall anchors), user manual


Batteries Included?: β€ŽYes


Batteries Required?: β€ŽYes


Battery Cell Type: β€ŽAlkaline


Warranty Description: β€Ž10-year limited warranty


Date First Available: August 13, 2010


Frequently asked questions

The Kidde CO detector will notify you about a low battery level through its built-in battery indicator. The LED on the detector will blink or emit a warning chirp signal when the battery needs to be replaced.

Yes, this Kidde CO detector is designed for portability. Its lightweight construction and battery operation make it ideal for various locations in your home. For most installations, all you need is to mount it on a wall or place it on a flat surface.

Yes, the Kidde Carbon Monoxide alarm comes equipped with a test-reset button. This button allows you to test whether the alarm is functional or not. It's recommended to test the alarm regularly to ensure it's working properly and ready to alert in case of high CO levels.

The Kidde CO detector features LED lights to indicate its status. A green LED blinking every 30 seconds indicates that the device is operating correctly. A red LED, accompanied by an audible alarm, signals the presence of high levels of carbon monoxide.

Top Amazon Reviews

πŸš€ Abunda's Overview

This is our summary and key points to consider based on customer reviews.


The Kidde Carbon Monoxide detector is a battery-powered device boasting a 10-year lifespan, effortless installation procedure, and LED lights to effectively communicate CO levels in the air. Many reviewers commend its ease of use and reliability. Despite some concerns about false alarms triggered by the detector's sensitivity and occasional confusion over battery life indications, most users find this device reliable and effective. The detector doubles as a portable travel companion, useful in settings such as hotels and RVs.

Pros

  • πŸ‘ Long lifespan of up to 10 years.
  • πŸ‘Œ Easy to install and comes with the necessary hardware.
  • πŸ’Ό Portable, ideal for travel use in hotels and RVs.
  • πŸ’‘ LED lights provide clear indications of CO levels for safety.

Cons

  • ❗ High sensitivity may lead to false alarms triggered by smoke from cooking.
  • βŒ› Customers found the battery life indications unclear, leading to potential lapses in protection.

Should I Buy It?

Yes, the Kidde Carbon Monoxide detector appears to be a reliable and practical investment for home safety. However, it is key to consider its sensitivity and potentially unclear battery life indications before purchase. Overall, this product is beneficial for individuals in need of a reliable tool to detect dangerous carbon monoxide levels, even when on the go.


  • Stay Safe with the Kidde Carbon Monoxide Detector!
Style: Clamshell Packaging
The Kidde Carbon Monoxide Detector is an absolute lifesaver and a must-have for every home. As someone who values safety above all else, this detector has given me peace of mind knowing that my family is protected from the silent killer, carbon monoxide. Setting up the Kidde detector was a breeze. The instructions were clear and straightforward, allowing me to install it within minutes. Whether you choose to mount it on the wall or place it on a tabletop, the installation process is hassle-free, making it accessible for everyone. What truly impressed me about the Kidde detector is its accuracy and reliability. It continuously monitors carbon monoxide levels in the air, providing real-time updates on its digital display. The loud alarm is impossible to ignore, ensuring that you're alerted at the first sign of danger, whether you're awake or asleep. I also appreciate the thoughtful design features of the Kidde detector. The compact size and sleek design blend seamlessly into any room, without drawing attention to itself. The battery backup feature provides added assurance, ensuring that the detector remains operational even during power outages. Furthermore, the long-lasting battery life means you won't have to worry about frequent battery replacements. It's a low-maintenance device that you can rely on day in and day out, giving you peace of mind knowing that your loved ones are protected. In terms of value, the Kidde Carbon Monoxide Detector is worth every penny. Considering the potential dangers of carbon monoxide poisoning, investing in a reliable detector is a small price to pay for the safety and well-being of your family. Overall, I highly recommend the Kidde Carbon Monoxide Detector to anyone looking for reliable carbon monoxide detection. With its easy installation, accurate monitoring, and dependable performance, it's an essential addition to every home. Don't take chances with your safety – safeguard your home today with the Kidde detector. ... show more
Reviewed in the United States on February 19, 2024 by jade

  • It came with the batteries as well , good product
Style: Frustration Free Packaging
Came to the house within 24 hours and easy install recommend.
Reviewed in the United States on December 3, 2025 by Caitlyn swift

  • As Described
Style: Frustration Free Packaging
I used these to replace the one's I had which were 10 years old and they are the exact same unit I had, they are well made, easy to install and do the job
Reviewed in the United States on December 14, 2025 by Mark M

  • great value
Style: Clamshell Packaging
Item was received promptly and easily put into work mode couple batteries (included) two screws to mount and did a test. It works great . would give 5 stars but...never do .... seems like a great value very pleased
Reviewed in the United States on August 9, 2025 by Paul

  • Protect yourself from Carbon Monoxide
Style: Clamshell Packaging
Excellent monitor. Easy install. Good for years.
Reviewed in the United States on November 7, 2025 by Larry G.

  • Simple but reliable
Style: Frustration Free Packaging
Replaced previous unit which was exact model. That one lasted 10 years. Important to use correct batteries. I set it on a shelf and change rooms on occasion. Worth the time
Reviewed in the United States on December 7, 2025 by ew

  • Great for travel
Style: Clamshell Packaging
We’ve started carrying this as we travel since we have small kids and are now paranoid about everything lol. It’s nice and compact and also loud. Would recommend!
Reviewed in the United States on November 26, 2025 by Morgan Eagan

  • Great for travelling
Style: Clamshell Packaging
I like to detector with us when staying in hotels because you never know. It seems to work well and I like that it's battery powered. I hope it never goes off unless I'm testing it. Gives us peace of mind while in our room.
Reviewed in the United States on November 16, 2025 by B17G

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