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. Choosing the right smoke and carbon monoxide detector can significantly enhance your home safety, making it crucial to consider the best options available.
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 it’s time to replace the alarm
- Slim profile design is half the depth of a standard alarm
$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 it’s time to replace the alarm
$33.47
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 4 Pack
- 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
- NEVER-CHANGE 10-YEAR BATTERY: No low battery chirps or battery changes for 10 years & saves up to $40 over the life of the detector. (10-yr limited warranty on alarm, not a battery performance claim.)
- 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.
- 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.
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SALE
−$10.00
6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light Blinking at Work), with 3 AA Batteries,Easy Install,for Home and Kitchen
- Reliable Hazard Detection: This smoke and carbon monoxide detector detects both smoke and CO, offering protection from two dangerous threats with one device
- High-Sensitivity Sensors: Featuring a photoelectric smoke sensor and electrochemical CO sensor, this smoke detector carbon monoxide detector combo ensures quick and accurate detection
- Clear Visual and Audible Alerts: This detector uses both LED indicators and an 85 dB alarm to keep you informed of any potential danger
- Simple Installation and Maintenance: It’s easy to install with the included batteries, and its simple design ensures minimal maintenance
- Efficient Power Usage: The detector operates with 3 AA batteries, offering long-lasting protection with minimal energy consumption
$89.99
SALE
−$9.06
First Alert SMCO200, Battery-Operated 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
- Slim profile design is half the depth of a standard alarm
- End-of-life warning lets you know when it’s time to replace the alarm
- Battery-operated alarm is easy to install and maintain
$35.93
SALE
−$20.65
First Alert SMICO110, 10-Year Battery 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.
- 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 it’s time to replace the alarm
- Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm
- Test/silence button for efficient testing to ensure alarm is working properly
$29.34
X-Sense Smoke Detector Carbon Monoxide Detector Combo, 10-Year Battery Smoke Detector with Display, Standalone Model SC01, Single Pack
- Please Note: SC01 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 SC01-W
- 10-Year Sealed Battery (Not AC Hardwired): Contains a long-life lithium battery that powers the device for its entire 10-year life
- 2-in-1 Protection: This combination detector protects your family against two dangers-both smoke and carbon monoxide
- Simple Installation: Requires no rewiring; easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and anchor plugs
- Loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms
$39.99
SALE
−$3.51
2Packs, Smoke and Carbon Monoxide Detector, LCD Digital Display, 2 in 1 Technology, Easy to Use, 85db Alarm, for Home and Kitchen
- 2 in 1: This Smoke and Carbon Monoxide Detector combines both smoke and carbon monoxide detection capabilities, providing comprehensive protection for your home or office
- Decibel Alarm: Equipped with a loud 85 decibel alarm, this detector ensures that you and your loved ones will be alerted immediately in the event of a potential fire or carbon monoxide leak
- Test Button: After installing the batteries and pressing the test button, the detector sound an alarm for a few seconds. In the normal state, the LCD display is stationary and the green light flashes every 30 seconds
- LCD Display Screen:LCD digital display shows current smoke and carbon monoxide concentrations when concentrations are detected, and alarms when dangerous concentrations are present
- Easy to Use: This detector is extremely easy to install and operate. Simply follow the provided instructions to mount the detector on the wall or ceiling, and it will be ready to protect your space
$31.64
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
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 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API