Best Carbon Monoxide And Smoke Alarm Combo of 2025
Last updated on 24/09/2025
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1
X-Sense Smart Smoke and Carbon Monoxide Alarm Combo 1 SC07-MR with 1 SBS50 Base Station, Interlinked Smoke Alarm and Carbon Monoxide Detector Compatible with X-Sense Home Security App, SC07-MR11
X-Sense
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X-Sense
X-Sense Smart Smoke and Carbon Monoxide Alarm Combo 1 SC07-MR with 1 SBS50 Base Station, Interlinked Smoke Alarm and Carbon Monoxide Detector Compatible with X-Sense Home Security App, SC07-MR11
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Why we love it
- Easy setup and use.
- Real-time app alerts.
- Comprehensive home protection.
Main Highlights
- Ready to Use: 1 SBS50 base station, 1 SC07-MR smoke and carbon alarm, 1 power adapter, and 1 power cable included; simply download the X-Sense Home Security app, connect the devices to the app via the 2.4 GHz Wi-Fi network (incompatible with 5 GHz) and then start to protect your home
- App Alerts: With the alarm setup in the app, you’ll get an instant alert when it is triggered, and the alarm and base station will both sound; you’ll also get handy alerts for low battery, faults, test results, and more
- All Alarms Sound As One: All Link+ Pro alarms connected to the base station will sound together if any one of them is triggered, ensuring everyone hears the alarm and can react quickly; the Link+ Pro series includes SC07-MR/XP0A-MR combination alarm, XS01-M/XS0B-MR smoke alarm, XC01-M carbon monoxide alarm, and XH02-M heat alarm
- App Test/Silence: Test or silence your alarms with just a tap in the app; no need to fetch a ladder to reach the test/silence button
- Easily Locate the Source Alarm: Name the alarm based where it’s located; when the alarms sound, tap the Locate button to silence the base station and other alarms, leaving only the triggered alarm active and displayed with room name
- 10-Year Combination Alarm: Benefit from this smoke and carbon monoxide alarm for an entire decade; replace the battery just once thanks to the 5-year CR123A battery
- Share the Convenience: Let up to 12 people control the device via the X-Sense app, making it easy for everyone to receive notifications, test and silence devices, check the alarm’s status, and more
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Value for Money
2
X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smoke Alarm for Home with Replaceable Battery, XP0A-SR, 1-Pack
X-Sense
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X-Sense
X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smoke Alarm for Home with Replaceable Battery, XP0A-SR, 1-Pack
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Why we love it
- Clear audio-visual warning system.
- Minimal design fits anywhere.
- Reliable with long lifespan.
Main Highlights
- Important Note: The XP0A-SR Combination Smoke and Carbon Monoxide Alarm does not support interconnectivity or app functionality. It is designed to operate as a standalone device
- English Talking Alarm: Immediately understand the danger thanks to an English voice alert that sounds in conjunction with the siren; the built-in speaker delivers warnings specific to the detected danger type, such as "Warning! Smoke detected. Evacuate." or "Warning! Carbon monoxide detected. Move to fresh air."
- Easier Means Safer: Handy voice alerts keep you easily and quickly informed of important information such as emergencies, battery status, faults and lifespan; LCD screen displays a real-time carbon monoxide measure, battery status and other information; understand what’s going on without digging out the manual so you can take action quicker and keep your family safer
- 2-in-1 Protection: Get full protection from a single smoke alarm and carbon monoxide detector—the photoelectric and electrochemical CO sensors which work independently to instantly warn you of dangerous smoke or CO levels; keeps your family protected against 2 deadly threats with less hassle
- Sleek Design: Only 30 mm thick, this ultra-thin fire alarm and carbon monoxide detector blends in anywhere; the 135 mm diameter mounting bracket perfectly covers the hole left by your old alarm
- 10-Year Lifespan:Fire-retardant ABS material and 10-year sensor life offer reliable performance for up to 10 years; the replaceable CR123A battery lasts up to 5 years
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3
saf First Alert smoke and co combo
First Alert
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First Alert
saf First Alert smoke and co combo
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Why we love it
- Reliable safety for home.
- Easy battery operation.
- Combines smoke and CO.
Main Highlights
- First Alert SCO5CN Battery Operated Combination Carbon Monoxide/Smoke Alarm by First Alert
- Product type: GAS SMOKE FIRE ALARM
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4
iMeistek Smoke and Carbon Monoxide Detectors, Combination Smoke and Carbon Monoxide Alarms for home,with Digital Display,EN 50291 &EN14604 Approved.3PCS
iMeistek
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iMeistek
iMeistek Smoke and Carbon Monoxide Detectors, Combination Smoke and Carbon Monoxide Alarms for home,with Digital Display,EN 50291 &EN14604 Approved.3PCS
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Why we love it
- Highly sensitive dual sensors.
- Real-time concentration display.
- End of life warning feature.
Main Highlights
- Dual Care: Combination Smoke and Carbon Monoxide Alarms with EN 14604 and EN 50291 standards
- High Sensitivity Sensors : The smoke and carbon monoxide alarms use highly accurate photoelectric smoke sensors and electrochemical carbon monoxide sensors that work independently of each other to reduce false alarms.
- Product Features: End of life warning(combo alarm max life is 10 years), Low voltage (2 x 1.5AA batteries included), self-test and mute modes etc. when the life of fire alarm ends, it will have a prompt ( LCD displays “End” ,the yellow indicator light flashes 3 times every 50s and the buzzer beeps 3 times).
- Real-time Display: large LCD screen, standby status will also always display the concentration, you can know the working status of the alarm in real time.smoke alarm sensitivity is 0.25dB/m. carbon monoxide detector sensitivity Setting range is 50PPM-300PPM
- Note: If the CO concentration detected exceed 20PPM and no more than alarm setting concentration(50PPM-300PPM), the LCD shows real-time concentration value and CO, PPM symbol, the device will not alarm.
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5
Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm Twin Pack
Safelincs
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Safelincs
Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm Twin Pack
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Why we love it
- Smoke and CO detection combined.
- Distinct voice warnings provided.
- Endorsed with quality certifications.
Main Highlights
- Smoke alarm and CO alarm in one unit for space saving and convenience. Twin pack of two units.
- Different voice warnings for smoke and CO with loud 85dB alarm noise.
- Kitemarked and CE marked. 10 year sensor life and manufacturer’s warranty.
- 9v alkaline battery included, must be replaced every 1 -2 years.
- Supplied with fixings: 2 x screws and 2 x rawl plugs.
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6
Scondaor Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year Battery, Smoke Alarms for Home, Smoke & CO Alarm Detector with Test/Silence Button (2 Pack)
Scondaor
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Scondaor
Scondaor Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year Battery, Smoke Alarms for Home, Smoke & CO Alarm Detector with Test/Silence Button (2 Pack)
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Why we love it
- Ten-year battery and sensor.
- Dual smoke and CO detection.
- Easy installation and operation.
Main Highlights
- 【10-Year Battery and 10-Year Sensor】: Built-in 10 years lifetime battery and sensors which provides a 10 years continuous operation and constant protection from smoke and CO hazards with no need to replace battery. The smoke alarm has an End-of-Life (EOL) signal that will let you know when to replace the alarm for home safety.
- 【2-IN-1 Smoke and Carbon Monoxide Detector】: This combo smoke and CO alarm features dual sensors to quickly detect both fire smoke dangers and/or carbon monoxide gas leak in a single unit, providing you instant earlier warning with loud 85 dB audible alarm and visual LED light flashing.
- 【Easy to Read LCD Display】: The LCD screen will show real-time CO concentration over 20PPM (parts per million). If dangerous carbon monoxide gas is detected, the Red-CO indicator flashes rapidly. If fire smoke is detected, the Red-Smoke indicator will flash. Under standby mode, LCD displays 0PPM, and the Green light flashes once every 40 seconds to indicate it is working properly.
- 【Compact and Reliable Use】: The combo smoke alarm and carbon monoxide detector is compact, stylish design and lightweight, easy to install. A Test/Silence button will allow you to test it weekly, and when non-emergency (false alarm) situation occurred, just press the test button to mute the nuisance alarm while the LED light still flashes to indicate that it is in the silent mode.
- 【Meet Safety Standards】: The unit utilizes reliable sensors, an advanced microchip, and ABS material. It complies with UK and EU smoke and CO detector safety standards EN 14604 and EN 50291, providing you with reliable safety confidence.
- 【Easy to Install】: Comes with mounting screws and wall plugs, it is easy for mounting on wall or ceiling with no requiring wiring or technician and the battery-operated smoke and CO detector ensure it will work even during power outages.
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7
X-Sense Smoke and Carbon Monoxide Detector Wired Combination Smoke and CO Alarm Interconnected with Replaceable Backup Battery, XP04, 1 Pack
X-Sense
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X-Sense
X-Sense Smoke and Carbon Monoxide Detector Wired Combination Smoke and CO Alarm Interconnected with Replaceable Backup Battery, XP04, 1 Pack
Why we love it
- Advanced sensor technology ensures safety.
- Reliable power with battery backup.
- Interconnects enhance home protection.
Main Highlights
- MORE ACCURATE WITH SMART TECHNOLOGY - This wired smoke and carbon monoxide alarm combines an advanced photoelectric smoke sensor and Figaro CO electrochemical sensor to quickly detect smoking fire smoke and dangerous CO levels
- Wired Alarm with Replaceable Backup Battery This combination of smoke and carbon monoxide alarm is AC wired with a 9V battery backup, so the alarm can continuously monitor smoke and CO even in the event of a power failure
- Interconnects up to 18 units for full coverage: you can connect up to 18X-Sense wired alarm 2 in 1, so when an alarm is turned on, everything will ring together throughout your home
- EASY INSTALLATION All mounting accessories are included for quick and easy installation in minutes
- PREMIUM QUALITY - Made with high quality materials and components, this wired combo alarm provides a long service life of up to 10 years
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8
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification
Kidde
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Kidde
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification
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Why we love it
- Ensures safety through testing.
- User-friendly with clear instructions.
- Engages proactive safety measures.
Main Highlights
- Alarms should be tested by pressing the test button in accordance with the supplied instructions.
- Reliable performance
- The voice warnings given by this alarm are: "fire! Fire!" "Warning! Carbon monoxide" "Caution, carbon monoxide previously detected" "Hush mode activated" "Hush mode cancelled" "Low battery"
- Designed to be wall- or ceiling-mounted, this battery-powered unit is ideal for when space is limited but protection is paramount. It can be used in most locations throughout the home but check in in-pack guidelines for specific installation instructions
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9
GiiHoo Smoke and Carbon Monoxide Alarm Detector with LCD Display & Battery Powered,Combination Smoke and CO Alarm for Home Safety.EN 14604 & EN 50291 Certified (Standalone, White-02)
GiiHoo
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GiiHoo
GiiHoo Smoke and Carbon Monoxide Alarm Detector with LCD Display & Battery Powered,Combination Smoke and CO Alarm for Home Safety.EN 14604 & EN 50291 Certified (Standalone, White-02)
15% OffFree Shipping
Why we love it
- Comprehensive dual protection offered.
- Clear real-time alerts displayed.
- Compact design for versatile use.
Main Highlights
- Dual Protection: Detects both smoke and carbon monoxide (CO) with advanced photoelectric and electrochemical sensors, ensuring comprehensive safety for your home.
- Clear LCD Display: Shows real-time CO concentration levels (in PPM) and smoke detection status, providing immediate visual alerts. To save power, the LCD display only activates when carbon monoxide or smoke is detected.
- Safe and Reliable: This smoke alarm and carbon monoxide detector meets all safety standards. Features a built-in test button and low battery warning. In non-emergency situations (when false alarms occur), simply press the test button - the LED light will flash for 10 seconds, indicating silent mode activation.
- Compact & Versatile: Our portable smoke and CO detector combines stylish design with compact, lightweight construction. Accurate and durable, it can be placed anywhere CO levels might be a concern, including homes, offices, garages.
- Easy Installation: Powered by 2x1.5V AA batteries. The combo smoke and carbon monoxide detector can be easily mounted using the included mounting bracket, screws, and anchor plugs.
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10
Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200
AEGISLINK
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AEGISLINK
Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200
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Why we love it
- Informative LCD for safety monitoring.
- Long-lasting sensors ensure reliability.
- Loud alarm for deep sleepers.
Main Highlights
- Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level; to save power, it will activate only when the device is tested or the ppm has reached the alarm level for a certain period
- This smoke and carbon monoxide alarm has long-lasting sensors and components that deliver a long life of up to 10 years; also includes a replaceable 3-year lithium battery
- Featuring a light and thin design, this combination smoke and carbon monoxide detector has a 20–40 m² (215–430 sq. ft) detection range, fully protecting you and your family from dangerous smoke and carbon monoxide
- This smoke and carbon monoxide detector is built with both a cutting-edge photoelectric smoke sensor and electrochemical CO sensor to deliver high consistency and reliability for double detection and protection
- The loud alarm tone is over 85 dB at 10 ft (3 m) to alert anyone in a deep sleep; with included screws and anchor plugs, this battery-operated unit can be installed effortlessly without an electrician
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