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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. Lcd display: cleary indicates real-time carbon monoxide CO concentration in the surrounding air, as well as the remaining battery life and working status of the alarm.


Smoke and co detector you can hear the low power alarm When the Power is Going to Run out, and Won’t Miss the Chance to Change the New Battery.

Lcd display: clearly displays real-time Carbon Monoxide CO Concentration in the Surrounding Air, Real-Time Monitor Protects Your Safety.

Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy.
Dust cover. 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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.


Environment friendly, without smell, radiation or harm. 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.
It can keep you and your family safe at any time. 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.

8 seconds. 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.
Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. 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.

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.
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Keep your family safe with this 3-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house.

G. 1, 2, etc. No chirps to tell you the battery is low; Nest Protect test its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working.
When you walk under the Nest Protect at night, Pathlight lights your way. The nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade. Co detector looks out for carbon monoxide and tells you where it’s located. Split spectrum sensor looks for both fast burning and smoldering fires and tells you where the danger is.
1. Lecoolife
#ad
3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display White
#adLecoolife #ad - 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. 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 firesand 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.More information #ad
Please kindly press if false alarm. Loud 85-decibel alarm is desiqned to be heard easily. Test and silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume:Loud>85dBAat 1 meters. 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. Lcd display: cleary indicates real-time carbon monoxide CO concentration in the surrounding air, as well as the remaining battery life and working status of the alarm.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS528A |
More information #ad
2. FIRST ALERT
#ad
SCO500B-3, First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
#adFIRST ALERT #ad - Connects multiple alarms together for wireless safety network. Voice alarm gives clear indication of where the problem is located.More information #ad
Battery-operated smoke and carbon monoxide alarm. One button silences a false alarm and tests the unit. Features photoelectric smoke sensor and electrochemical CO sensor.Brand | FIRST ALERT #ad |
Manufacturer | BRK Brands #ad |
Height | 9 Inches |
Length | 10.75 Inches |
Width | 7.13 Inches |
Part Number | 1042870 |
Model | 1042870 |
Warranty | 7-YEAR LIMITED WARRANTY |
More information #ad
3. ARIKON
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Portable Smoke and Co Alarm for Home Bedroom Travel, 3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated
#adARIKON #ad - Photoelectric sensor detects smoke While Minimizing false alarms, Electrochemical CO Sensor Alerts you to Carbon Monoxide Danger. Combo smoke detector/carbon monoxide alarm Detects Battery-operated Unit installs Quickly and Easily Without an Electrician, loud 85dB Decibel alarm.Smoke and co detector you can hear the low power alarm When the Power is Going to Run out, and Won’t Miss the Chance to Change the New Battery.
More information #ad
Mini combination of carbon Monoxide Detector and Smoke alarm Simple style Designed for Kitchen and Travel. If you have any questions or concerns, please do Not Hesitate to Contact Us at Any Time, and We Will Reply to You within 24 Hours. We provide a 12-month worry-free refund guarantee and a 5-year warranty.Brand | ARIKON #ad |
Manufacturer | TJTFJS #ad |
Height | 1.45 Inches |
Length | 4.17 Inches |
Weight | 1.07 Pounds |
Width | 4.17 Inches |
Part Number | 494WWYKRWSHIS25 |
Model | 494WWYKRWSHIS25 |
More information #ad
4. BQQZHZ
#ad
With Display,Battery Operated,White, 3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated
#adBQQZHZ #ad - Scientific design : a full 360 ° ring of air Intakes Ensures Complete Detection with No Blind Spots, Ensure Accuracy and High Sensitivity. Premium quality: a 6-year warranty, and Lifetime Customer Support, if you Have Any Questions, Please Feel Free to Contact Us.Lcd display: clearly displays real-time Carbon Monoxide CO Concentration in the Surrounding Air, Real-Time Monitor Protects Your Safety.
More information #ad
High accuratel sensor:upgraded photoelectric and Electrochemical Sensors Significantly Increase the Sensitivity of the Alarm for a Faster Response Time While Minimizing False Alarms. 2in 1 detector:one alarm to protect against 2 deadly threats, Including Smoke and Carbon Monoxide; Instantly Notify You When Dangerous Smoke or CO Concentration Is Detected While Minimizing False Alarms.Brand | BQQZHZ #ad |
Manufacturer | BQQZHZ #ad |
More information #ad
5. FIRST ALERT
#ad
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup. 3-Pack , White
#adFIRST ALERT #ad - Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire.Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy.
More information #ad
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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. Dust cover. 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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.7 Pounds |
Width | 5.6 Inches |
Part Number | SC9120BFF-3 |
Model | BRK SC9120B-3 |
More information #ad
6. Lecoolife
#ad
3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Kitchen, Travel Portable Photoelectric Fire&Co Alarm for Home
#adLecoolife #ad - Photoelectric sensor detects smoke while minimizing false alarms. Combo smoke detector/carbon monoxide alarm detects two threats. Battery-operated unit installs quickly and easily without an electrician,A single button tests the unit or silences the alarm.More information #ad
Arranty and service: our products provide after-sales service. Electrochemical CO sensor alerts you to carbon monoxide danger. If you have any questions about our products, you can contact us, we will reply to you as soon as possible within 24 hours. Low battery signal mute, quiets low battery signal for up to 8 hours.Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS811-A |
More information #ad
7. Lecoolife
#ad
Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated White, 3 Pack Photoelectric Smoke and Carbon Monoxide Detector
#adLecoolife #ad - Test/sience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. 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.Environment friendly, without smell, radiation or harm. 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.
More information #ad
No hardwired anymore. Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal. It can keep you and your family safe at any time. 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.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | GS811-A |
Model | 81 |
More information #ad
8. Lecoolife
#ad
Kitchen, 3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Travel Portable Photoelectric Fire Co Alarm for Home
#adLecoolife #ad - Practical lcd display: clearly indicates real-time carbon monoxide co concentration in the surrounding air, the screen will be backlit blue, 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, and the LED indicator will flash red 4 times every 5.8 seconds. 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.
More information #ad
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/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. 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.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Height | 1.5 Inches |
Length | 4 Inches |
Width | 4 Inches |
Part Number | combo 0804 |
Model | combo 0804 |
More information #ad
9. FIRST ALERT
#ad
White, FIRST ALERT BRK SC7010BV-3 Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector, 3-Pack
#adFIRST ALERT #ad - 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.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.
More information #ad
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre-programmed locations in your home. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Keep your family safe with this 3-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 2.4 Inches |
Length | 5.1 Inches |
Weight | 0.74 Pounds |
Width | 5.1 Inches |
Part Number | SC7010BVFF-3 |
Model | BRK SC7010BV-3 |
More information #ad
10. Google
#ad
2nd Gen, Battery, Google S3006WBUS Nest Protect, White, 3, S3000BWES, 3-Pack Alarm-Smoke Carbon Monoxide Detector
#adGoogle #ad - With app silence, you can silence the smoke alarm with your phone in the Nest app when there’s only a little smoke. With safety check, you can test all your smoke and CO alarms with just a tap and get a full report once the test is done. Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points e.G. 1, 2, etc. No chirps to tell you the battery is low; Nest Protect test its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working.
More information #ad
Get phone alerts so you know something’s wrong, even when you’re away from home 1. Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there’s smoke or CO in your home. When you walk under the Nest Protect at night, Pathlight lights your way. The nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade. Co detector looks out for carbon monoxide and tells you where it’s located. Split spectrum sensor looks for both fast burning and smoldering fires and tells you where the danger is.
Brand | Google #ad |
Manufacturer | Google #ad |
Height | 5.3 Inches |
Length | 5.3 Inches |
Weight | 1 Pounds |
Width | 1.5 Inches |
Part Number | S3006WBUS |
Model | 06A |
More information #ad