Smoke and carbon monoxide detectors are essential safety devices that protect your home and loved ones from the dangers of fire and toxic gas exposure. In 2025, the market offers a variety of advanced models equipped with features like smart technology, voice alerts, and long-lasting batteries. These detectors not only provide reliable performance but also integrate seamlessly with home automation systems, ensuring you stay informed even when you're away. Investing in the best smoke and carbon monoxide detectors can significantly enhance your home safety measures.
SALE
−$14.99
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack
- 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
- 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
- Easy installation mounting bracket included for quick installation in 4 orientations
- Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
- 85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event
$35.00
6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Button,Battery Operated, Work State LED Flash,Easy Install
- Comprehensive Protection: This smoke & carbon monoxide alarms combine the power of two important safety features in one device to protect your family from both smoke and carbon monoxide dangers
- Reliable Sensor Technology: With photoelectric and electrochemical sensors, this smoke detector carbon monoxide detector combo ensures fast and reliable detection of smoke and CO
- Visual and Audible Alerts: Featuring 3-color LED indicators and an 85 dB alarm, this detector ensures youโre immediately alerted to potential dangers
- Easy-to-Use and Maintain: The simple design allows for quick installation and minimal maintenance, ensuring continuous protection with ease
- Ideal for Home and Office: Whether at home or in the office, this carbon monoxide detectors/smoke alarm provides dependable protection from smoke and CO risks
$93.63
3 Pack Photoelectric Smoke and Carbon Monoxide Detector, Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated (White)
- Combo Smoke and Co Detector: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
- 10 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and co levels, even if there's a power failure; an end-of-life signal will let you know when it's time to replace the unit for safety
- Test/Sience ButtoTest/Sience Button: Tests the unit for proper operation and resets the carbon monoxide alarm, Alarmn: Tests the unit for proper operation and resets the carbon monoxide alarm, Alarm
- LOW BATTERY SIGNAL: Low battery voltage signal and end of life warning ensures the co detector can work normal. Environment friendly, without smell, radiation or harm. It can keep you and your family safe at any time
- A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore
$59.99
First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack
- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
- Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm
- 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
- End-of-life warning lets you know when itโs time to replace the alarm
- Slim profile design is half the depth of a standard alarm
$39.99
SALE
−$19.00
3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Travel Portable Photoelectric Fire Co Alarm for Home, Kitchen
- Combo Smoke and Co Detecor: Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
- 10 Year Battery Operated: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when itโs time to replace the unit for safety
- Test/Slience Button: Tests the unit for proper operation and resets the carbon monoxide alarm,Alarm
- 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
- A loud 85-decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise,Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore
$59.99
Smoke and Carbon Monoxide Detector with Batteries,2-in-1 Smoke Detector Carbon Monoxide Detector Combo,Smoke and Carbon Monoxide Alarm with Test Button and Digital Display
- Dual Sensors: This combination smoke carbon monoxide alarm detects both smoke and carbon monoxide. It's working method: a high sensitivity photoelectric sensor to detect smoke and high stability electrochemical co sensor to detect carbon monoxide. They are separate, no matter which sensor is triggered because of dangerous concentration, this smoke and carbon monoxide detector will beep and blink with red led
- Loud Beep: This smoke alarm has a louder than 85 decibels beep with red LED flashing. It is loud enough to let you know the danger and take ation to avoid it quickly. It is recommended to install more than one in your house for a maximum protection
- Red or Green Led function: Once smoke or carbon monoxide reaches their dangerous concentration, this smoke and carbon monoxide detector will go off and blink with red led. Red led and beep also let you know if batteries need to be replaced or not(capacity of battery is less than 3.6V). Green led with beep will work for test button to show fire alarm's different working status
- Readable Digital Display: when smoke or CO concentration reaches their dangerous level, the screen of fire alarm smoke detector will show the CO or smoke concentration and illuminate.STANDBY MODE: screen light will not be on under standby mode, so this will not disturb your sleeping. When this fire alarm smoke detector enters standby mode, its green led will blink about every 60s
- Green Led Too Bright? : If you feel that the green led is too bright, it is recommended to cover with a transparent pvc until you feel good. This carbon monoxide detectors smoke alarm is easy to install. Both wall and ceiling are suitable for installation
$19.99
X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model)
- Please Note: SC07 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC07-W. For Wi-Fi functionality, look for SC07-WX or SC07-MR
- 2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor
- 10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage
- Combination Alarm with CO Readings: When the alarm is triggered, the LCD will display the CO concentration and illuminate. In standby mode, the LCD turns off to ensure you are not disturbed
- Simple Installation: Requires no rewiring; easy to mount this smoke and carbon monoxide alarm on any wall or ceiling with the included mounting bracket, screws, and anchor plugs
$39.99
SALE
−$11.52
First Alert SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack
- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Provides reliable 2-in-1 protection against both smoke and carbon monoxide
- Battery-operated alarm allows for easy installation and maintenance
- Test/silence button for efficient testing to ensure alarm is working properly
- End-of-life warning lets you know when itโs time to replace the alarm
$33.47
SALE
−$6.53
4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Screen,Easy to Install
- ๐ฎ ๐ถ๐ป ๐ญ:Our carbon monoxide detector with its 2 in 1 functionality, this device not only detects carbon monoxide but also serves as a smoke detector, offering comprehensive protection against both fire and carbon monoxide hazards.
- ๐๐๐ฎ๐น ๐๐ถ๐ด๐ต ๐ฆ๐๐ฎ๐ฏ๐ถ๐น๐ถ๐๐ ๐ฆ๐ฒ๐ป๐๐ผ๐ฟ๐:High reliability.High sensitive CO sensor,MCU processing adopted.The carbon monoxide detectors, equipped with dual high stability sensors, these detectors offer enhanced sensitivity and accuracy, ensuring prompt detection of any potential threats.
- ๐๐๐ ๐๐ถ๐ด๐ถ๐๐ฎ๐น ๐๐ถ๐๐ฝ๐น๐ฎ๐: The LCD screen provides clear and easy-to-read information, allowing for quick and convenient monitoring of carbon monoxide levels.
- ๐ด๐ฑ ๐ฑ๐ ๐๐น๐ฎ๐ฟ๐บ :Smoke and carbon monoxide detector,with battery.The carbon monoxide detectors are designed to provide reliable and accurate detection of carbon monoxide,suitable for various places.Loud alarm signal exceeding 85dB in alarm mode.
- ๐๐ฎ๐๐ ๐๐ผ ๐๐ป๐๐๐ฎ๐น๐น :Featuring an easy installation process, these carbon monoxide detectors can be effortlessly mounted on walls or ceilings, providing peace of mind and protection.
$58.79
SALE
−$18.22
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
- 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector.
- ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.
- NO WIRING NEEDED: Operates on 2-AA alkaline batteries (included) providing easy installation, simply mount the bracket onto the ceiling and twist & click the 5-inch smoke & CO alarm into the bracket.
- SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
- 3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.
$62.75
Last update on 2025-05-01 / Affiliate links / Images from Amazon Product Advertising API