Rank Product Name Score
1 Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2 Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2
Kidde
9.8 GET ON AMAZON
2 First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated
First Alert
9.6 GET ON AMAZON
3 Alexa Enabled Smoke Detector and Carbon Monoxide Detector Alarm with Premium Home Speaker, Onelink Safe & Sound by First Alert Alexa Enabled Smoke Detector and Carbon Monoxide Detector Alarm with Premium Home Speaker, Onelink Safe & Sound by First Alert
First Alert
9.3 GET ON AMAZON
4 Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
Kidde Safety
9.3 GET ON AMAZON
5 Combination Natural Gas and Carbon Monoxide Detector Plug in 2-in-1 Co Detector and Combustible Gas Detector,Propane,LPG,Gas Leak Detector for Kitchen/Home,UL2034 Combination Natural Gas and Carbon Monoxide Detector Plug in 2-in-1 Co Detector and Combustible Gas Detector,Propane,LPG,Gas Leak Detector for Kitchen/Home,UL2034
PLT
9.0 GET ON AMAZON
6 Kidde Carbon Monoxide Detector, Battery Powered with LED Lights, CO Alarm Kidde Carbon Monoxide Detector, Battery Powered with LED Lights, CO Alarm
Kidde
8.9 GET ON AMAZON
7 GZAIR SA103 Portable Carbon Monoxide Gas CO Detector for Home & Industry Safety, , Traveling Tent, Stove Heating, Vehicles and Other confined Spaces GZAIR SA103 Portable Carbon Monoxide Gas CO Detector for Home & Industry Safety, , Traveling Tent, Stove Heating, Vehicles and Other confined Spaces
GZAIR
8.6 GET ON AMAZON
8 Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Backup and Digital Display | 900-0280 | KN-COP-DP-10YL | Frustration Free Packaging Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Backup and Digital Display | 900-0280 | KN-COP-DP-10YL | Frustration Free Packaging
Kidde Safety
8.5 GET ON AMAZON
9 2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen 2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen
Lecoolife
8.5 GET ON AMAZON
10 X-Sense 10-Year Battery Smoke and Carbon Monoxide Alarm with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01, 5-Pack X-Sense 10-Year Battery Smoke and Carbon Monoxide Alarm with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01, 5-Pack
X-Sense
8.2 GET ON AMAZON

Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2

Kidde Carbon Monoxide Detector, Plug In with Battery Backup, CO Detector, KN-COP-DP2

    Features:

  • CO detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home
  • Easy & quick installation – plugs directly into your home’s standard wall outlet, 85 decibel alarm alerts of fire
  • Protects during a power failure – 2-AA batteries, included with pack, provide backup service in the event of a power outage
  • Whole home family protection – place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty

First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated

First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated

    Features:

  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there’s a power failure
  • Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
  • Battery operated unit installs quickly and easily without an electrician. Low battery signal mute, quiets low battery signal for up to 8 hours
  • Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling
  • 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards. Emits T3 Pattern
  • It can ship within the US except New York
  • First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Alexa Enabled Smoke Detector and Carbon Monoxide Detector Alarm with Premium Home Speaker, Onelink Safe & Sound by First Alert

Alexa Enabled Smoke Detector and Carbon Monoxide Detector Alarm with Premium Home Speaker, Onelink Safe & Sound by First Alert

    Features:

  • About safe and sound: First Alert introduces Onelink Safe and Sound, an Alexa enabled, Apple HomeKit compatible hardwired photoelectric smoke and electrochemical carbon monoxide alarm, featuring a state of the art, Omni directional speaker backed by First Alert’s unparalleled reliability and equipped with the power of Alexa
  • Easy mobile controls: Get remote notifications of an emergency in your home for 24/7 safety, plus track carbon monoxide levels, customize nightlights, and more, using First Alert’s Onelink Home app
  • No more confusing beeps: Track battery levels in the app and optimize safety by knowing when it’s time to replace them. AirPlay 2 enables a wireless multi room audio system, creating an easy way to stream music anywhere in the home to different iOS and other AirPlay 2 compatible devices
  • Voice alerts: Key voice location technology annoz the type and location of the danger in your home, keeping your entire home safe and connected during an emergency. Safe & sound supports AirPlay 2 and requires iOS 12.2 or later or macOS 10.14.4 or later. To use AirPlay 2, update your devices to the latest software version and add your AirPlay 2-compatible speakers to the Home app on your iOS device
  • Easy to install: Optimal ceiling placement enhances the speaker’s acoustic quality; make installation fast and easy by using the included AC adapter plugs to replace your existing hardwire alarms without rewiring (AC power is required for Onelink Safe and Sound)
  • Alexa enabled: You can talk to Alexa on your safe and sound, and ask it to play music or podcasts (from Music, Spotify, Pandora, and more), read audiobooks, fill you in on the news, check weather, control smart home devices, and more; plus Alexa’s always adding skills, so it gets smarter over time
  • Interconnectivity: Unlike other smart combo alarms, safe and sound can connect with any other hardwired alarms in your home (including First Alert and non First Alert brands), and can send a mobile notification for any detected emergency, keeping your whole home safe and connected

Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert

Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert

    Features:

  • Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, “Fire Fire”, “Warning Carbon Monoxide”, or “Low Battery”
  • Ionization sensor technology – smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire at 10 feet
  • Protects during a power failure – combo smoke and CO alarm operates on 2-AA batteries
  • Test-Hush Feature – silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty

Combination Natural Gas and Carbon Monoxide Detector Plug in 2-in-1 Co Detector and Combustible Gas Detector,Propane,LPG,Gas Leak Detector for Kitchen/Home,UL2034

Combination Natural Gas and Carbon Monoxide Detector Plug in 2-in-1 Co Detector and Combustible Gas Detector,Propane,LPG,Gas Leak Detector for Kitchen/Home,UL2034

    Features:

  • 【High Sensitivity Dual Sensor Design】The Koabbit 2-in-1 alarm detector contains a catalytic combustion method sensor and an electrochemical carbon monoxide sensor. When a dangerous concentration of carbon monoxide or explosive gas is detected, it will immediately sound an alarm, allowing you to quickly make a judgment and protect your family getting hurt.
  • 【Easy To Use】Push/test button – Connect to power 90V-240V or 9V rechargeable battery(not included), The detector will display 3 minutes counting.
  • 【LCD Digital Display】This display clearly shows levels of Gas that the unit has detected and stored– from 0 to 3000 ppm–and it updates every 9 seconds to indicate any sudden changes.
  • 【Voice Alarm】When the concentration of Carbon Monoxide reaches 100PPM or the concentration of Combustible gas reaches 6%, the LCD screen begins to display the concentration value, and the red LED lights flash and emit a loud voice alarm mode — 85 decibel alarm.
  • 【Easy Installation & Quality】Easy to mount on any wall or ceiling without an electrician;The Koabbit detector has been rigorously tested and passed UL2034 safety certification, If you have any questions, Please contact us by E-mail, We will give you a SATISFACTORY SOLUTION.

Kidde Carbon Monoxide Detector, Battery Powered with LED Lights, CO Alarm

Kidde Carbon Monoxide Detector, Battery Powered with LED Lights, CO Alarm

    Features:

  • CO detector with alert modes & LED lights that pulse for power, CO detection, & low battery
  • Sophisticated electronic components to protect you & your family from the dangers of carbon monoxide, 85 decibel alarm alerts of fire
  • Protects during a power failure – operates on 2-AA batteries, included with pack
  • Whole home family protection – place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases
  • UL Certified, 10-year limited warranty

GZAIR SA103 Portable Carbon Monoxide Gas CO Detector for Home & Industry Safety, , Traveling Tent, Stove Heating, Vehicles and Other confined Spaces

GZAIR SA103 Portable Carbon Monoxide Gas CO Detector for Home & Industry Safety, , Traveling Tent, Stove Heating, Vehicles and Other confined Spaces

    Features:

  • Electrochemical sensor, which is composed of a pump and a microprocessor, can accurately and efficiently reflects the detection data on the screen.
  • It will alarm wearer to take corresponding protective action by sound, light and vibration once the environmental CO gas concentration exceeds the preset alarm point.
  • Portable Small Size 110mm*45mm*32mm with IP67 waterproof and dustproof body, it’s also passed 2 meters drop test and have a 25~55℃working temperature range, you can take it wherever you want to go, it doesn’t take up space.
  • This CO detector can be used continuously for 2 years if it is kept in a 24-hour working state.
  • You can contact our development engineer via amazon email.If you have any questions, please feel free to contact us.

Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Backup and Digital Display | 900-0280 | KN-COP-DP-10YL | Frustration Free Packaging

Kidde Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Backup and Digital Display | 900-0280 | KN-COP-DP-10YL | Frustration Free Packaging

    Features:

  • Digital display
  • Ten year sealed battery
  • Peak level button
  • No Night Chirps: End of Life and low battery signals programmed not to occur in dark conditions, helping to prevent needless waking of user
  • 10 year end of life warning
  • Rotating AC Blades: Unit remains vertical whether electrical socket is in vertical or horizontal orientation

2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen

2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen

    Features:

  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom – wall mount, screws included.
  • Safety and 5 year Warranty: Low battery signal alarm and “end of life”warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.

X-Sense 10-Year Battery Smoke and Carbon Monoxide Alarm with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01, 5-Pack

X-Sense 10-Year Battery Smoke and Carbon Monoxide Alarm with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01, 5-Pack

    Features:

  • 10-Year Battery & 10-Year Sensor: This smoke and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Simple to Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • Quick & Easy Installation with Guaranteed Quality: Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product

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