As an Amazon Associate I earn from qualifying purchases.
In an emergency, seconds count. A light in the dark: usually nest Protect has its light turned off but when you walk underneath it Pathlight can light your way. Split spectrum sensor looks for both fast burning and smoldering, and tells you where the danger is.
App silence. No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working. Nest protect is the first alarm you can hush from your phone. Co detector looks out for carbon monoxide and tells you where it's located. Connectivity: Bluetooth 4. 0 le, wi-fi 4 802.

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. 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.
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. Easy mobile controls: get remote notifications of an emergency in your home for 24/7 safety, customize nightlights, and more, plus track carbon monoxide levels, using First Alert's Onelink Home app. Alexa enabled: you can talk to alexa on your safe and sound, spotify, check weather, and more; plus Alexa’s always adding skills, and ask it to play music or podcasts from Music, read audiobooks, Pandora, control smart home devices, fill you in on the news, and more, so it gets smarter over time. Safe & sound supports AirPlay 2 and requires iOS 12.

Accurate, reliable & highly sensitive: the x-sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360° ring of air intakes ensures complete detection with no blind spots.
Assured quality: approved by the etl and meets the ul 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Large lcd display: clearly displays battery level and the real-time CO levels in PPM parts per million taken from the surrounding air, with an updated measurement taken every 10 seconds.

Built-in 10-year battery: uninterrupted 24/7 monitoring with a 10-year sealed lithium battery, freeing you from frequent battery replacement.

Safety and 5 year warranty: low battery signal alarm and "end of life"warning ensures the detector can work normal. Loud 85-decibel alarm is designed to be heard easily. 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.
No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.

This device is certified to work with Ring; Requires Ring Alarm to Work with Ring.
Certified to work with smart home systems such as ring Alarm, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub sold separately; Not compatible with Wink or Onelink. Help keep your family safe with this battery-powered smoke detector and carbon monoxide alarm; includes 2 AA batteries.

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. 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.



1. Google
#ad
Google Nest Protect, S3000BWES, Battery Operated , White, Smoke Detector and Carbon Monoxide Detector, Smoke Alarm
#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. 10-year carbon monoxide sensor. Tells you what and where. Carbon monoxide is odorless, invisible and deadly.In an emergency, seconds count. A light in the dark: usually nest Protect has its light turned off but when you walk underneath it Pathlight can light your way. Split spectrum sensor looks for both fast burning and smoldering, and tells you where the danger is.
More information #ad
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. Get phone alerts so you know something's wrong even when you're away from home1. App silence. No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working. Nest protect is the first alarm you can hush from your phone. Co detector looks out for carbon monoxide and tells you where it's located. Connectivity: Bluetooth 4. 0 le, wi-fi 4 802.
Brand | Google #ad |
Manufacturer | Google Nest #ad |
Height | 5.3 Inches |
Length | 5.3 Inches |
Weight | 1 Pounds |
Width | 1.5 Inches |
Part Number | S3000BWES |
Model | 06A |
More information #ad
2. FIRST ALERT
#ad
Smart Hardwired Smoke + Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa, First Alert Onelink Safe & Sound
#adFIRST ALERT #ad - No more confusing beeps: track battery levels in the app and optimize safety by knowing when it’s time to replace them. About safe and sound: first alert introduces onelink safe and sound, an Alexa enabled, featuring a state of the art, Apple HomeKit compatible hardwired photoelectric smoke and electrochemical carbon monoxide alarm, Omni directional speaker backed by First Alert’s unparalleled reliability and equipped with the power of Alexa.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. 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.
More information #ad
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. Interconnectivity: unlike other smart combo alarms, and can send a mobile notification for any detected emergency, safe and sound can connect with any other hardwired alarms in your home including First Alert and non First Alert brands, keeping your whole home safe and connected. 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. Easy mobile controls: get remote notifications of an emergency in your home for 24/7 safety, customize nightlights, and more, plus track carbon monoxide levels, using First Alert's Onelink Home app. Alexa enabled: you can talk to alexa on your safe and sound, spotify, check weather, and more; plus Alexa’s always adding skills, and ask it to play music or podcasts from Music, read audiobooks, Pandora, control smart home devices, fill you in on the news, and more, so it gets smarter over time. Safe & sound supports AirPlay 2 and requires iOS 12.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 1.76 Pounds |
Width | 7 Inches |
Part Number | 1039102 |
Model | 1039102 |
Warranty | 3 Years |
More information #ad
3. X-Sense
#ad
Compliant with UL 217 & UL 2034 Standards, SC07, X-Sense 10-Year Battery Not Hardwired Combination Smoke & Carbon Monoxide Alarm Detector with LCD Display
#adX-Sense #ad - Built-in 10-year battery: 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 or wonder if your alarm is still functioning. Led indicator: clearly informs you of the working status of the alarm with its 3-color flashing LED indicator green LED indicates normal operation, and yellow LED indicates a fault, red LED indicates the alarm status, ensuring the safety and security of your home 24/7.Accurate, reliable & highly sensitive: the x-sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360° ring of air intakes ensures complete detection with no blind spots.
More information #ad
2-in-1 protection: equipped with both photoelectric and electrochemical CO sensors that work independently of each other; 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. Assured quality: approved by the etl and meets the ul 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Large lcd display: clearly displays battery level and the real-time CO levels in PPM parts per million taken from the surrounding air, with an updated measurement taken every 10 seconds.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 0.71 Pounds |
Width | 5.7 Inches |
Part Number | SC07 |
Model | SC07 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
4. X-Sense
#ad
XP01-W, X-Sense 10 Years Battery Wireless Interconnected Combination Smoke Carbon Monoxide Detector Alarm with , Over 820 ft Transmission Range, 6-Pack, Large Silence Button
#adX-Sense #ad - Entire house notification: if one alarm goes off, all other interlinked alarms will follow suit, alerting you to danger regardless of where you are. 2-in-1 protection: built with a photoelectric smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats.Built-in 10-year battery: uninterrupted 24/7 monitoring with a 10-year sealed lithium battery, freeing you from frequent battery replacement.
More information #ad
Wide coverage for full home protection: Interlinks with up to 24 X-Sense smoke, CO, or combination alarms in a network, ensuring your entire house is fully protected. Worry-free after-sales services: 60-day money-back guarantee, 5-year warranty, and lifetime customer support; feel free to contact us if you have any problems.Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 1.7 Inches |
Length | 5.3 Inches |
Weight | 0.44 Pounds |
Width | 5.3 Inches |
Model | XP01-W |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
5. Lecoolife
#ad
Battery Operated, Protect Your Home from Fire and Gas Leaks, 2 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Digital Display
#adLecoolife #ad - Pls kindly press if false alarm. If any problem, without smell, we will reply to you asap. Easy install and use: the alarm can easily install with mounting bracket. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dBA at 1 meters.Safety and 5 year warranty: low battery signal alarm and "end of life"warning ensures the detector can work normal. Loud 85-decibel alarm is designed to be heard easily. 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.
More information #ad
Environment friendly, contact with us without hesitation, radiation or harm. 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. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | 110 |
Model | GS528A |
More information #ad
6. FIRST ALERT
#ad
Works with Ring Alarm, 2nd Generation, First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm
#adFIRST ALERT #ad - Enjoy improved compatibility, easier setup and a seamless in-app experience. Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam. Includes an 85-decibel horn, single test/silence button, side access to a tamper-resistant battery door, and pins that lock the alarm to the mounting bracket.This device is certified to work with Ring; Requires Ring Alarm to Work with Ring.
More information #ad
Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected. The z-wave plus with smart start feature allows a faster and more intuitive connection of device to hub and on-boarding via QR code scan located on device. Certified to work with smart home systems such as ring Alarm, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub sold separately; Not compatible with Wink or Onelink. Help keep your family safe with this battery-powered smoke detector and carbon monoxide alarm; includes 2 AA batteries.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 8.5 Inches |
Length | 3.66 Inches |
Weight | 0.68 Pounds |
Width | 6.75 Inches |
Part Number | 1044807 |
Model | 1044807 |
Warranty | 7 Year Limited Warranty |
More information #ad
7. FIRST ALERT
#ad
First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector CO with Battery Backup. 6-Pack
#adFIRST ALERT #ad - Keep your family safe with this 6-pack of hardwired smoke and carbon monoxide alarms; 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.Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
More information #ad
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home 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. 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. 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.
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-6 |
Model | BRK SC9120B-6 |
More information #ad
8. Kidde
#ad
Interconnect Combination Smoke & CO Alarm, Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Battery Powered
#adKidde #ad - Fire & co detector in 1 unit with alert modes, "warning! Carbon Monoxide!", LED lights, & voice alarm, "Fire! Fire!", that states, or "Low Battery!". Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.More information #ad
Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries. Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Weight | 0.8 Pounds |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
9. FIRST ALERT
#ad
SC500-3, First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
#adFIRST ALERT #ad - Voice alarm gives clear indication of where the problem is located. Connects multiple alarms together for wireless safety network.More information #ad
Features photoelectric smoke sensor and electrochemical CO sensor. Battery-operated smoke and carbon monoxide alarm. One button silences a false alarm and tests the unit.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
10. Kidde
#ad
CO Alarm with Replacement Alert, Kidde Carbon Monoxide Detector, AC-Plug-In with Battery Backup
#adKidde #ad - Ul certified, 10-year limited warranty. Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage. Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire.More information #ad
Co detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home. Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 4.5 Inches |
Length | 2.75 Inches |
Weight | 0.04 Pounds |
Width | 1.5 Inches |
Part Number | 900-0263 |
Model | KN-COB-DP2 |
More information #ad