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Know from anywhere: connect nest protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low. App silence: nest protect is the first alarm you can hush from your phone.
10-year carbon monoxide sensor: carbon monoxide is odorless, invisible and deadly. Nest protect tells you where it's hiding. When there’s co, nest Protect tells you where it’s hiding. Heads-up: get a friendly voice alert so you can handle burning toast before it becomes a burning toaster. Wireless: working wi-fi connection: 802. 11b/g/n @ 2. 4ghz wireless reconnect: 802.

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.
Rigorously tested to meet UL standards. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. 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.

Assured quality: we offer a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Etl certified: meets the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product.

Safe & sound supports AirPlay 2 and requires iOS 12. 2 or later or macOS 1014. 4 or later. 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.
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. 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.

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.
Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home. Keep your family safe with this talking hardwired smoke and carbon monoxide alarm; It's equipped with voice and location, so you are alerted of the danger and where it originates from across your house. The 85-decibel alarm provides a clear, loud warning upon detection. Note: kindly refer to the user manual provided as a PDF manual in the product description section.


Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Fire & co detector in 1 unit with alert modes, "fire! fire!", LED lights, that states, & voice alarm, "Warning! Carbon Monoxide!", or "Low Battery!".1


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. 2-in-1 protection: built with a photoelectric smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats.

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. Enjoy improved compatibility, easier setup and a seamless in-app experience. Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected.
1. Google
#ad
Smoke Alarm, Wired, White, Smoke Detector and Carbon Monoxide Detector, Google Nest Protect
#adGoogle #ad - Tells you what and where: It speaks up to tell you if there's smoke or CO and where. Smoke and co locator: nest protect speaks up if there's smoke or CO and tells you where it is so you know what to do. Phone alerts: nest protect sends you a message when there's a problem or the batteries run low.Know from anywhere: connect nest protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low. App silence: nest protect is the first alarm you can hush from your phone.
More information #ad
Simply walk to the Nest Protect that noticed the problem and open the Nest app. Know from anywhere: connect nest protect to wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low. 10-year carbon monoxide sensor: carbon monoxide is odorless, invisible and deadly. Nest protect tells you where it's hiding. When there’s co, nest Protect tells you where it’s hiding. Heads-up: get a friendly voice alert so you can handle burning toast before it becomes a burning toaster. Wireless: working wi-fi connection: 802. 11b/g/n @ 2. 4ghz wireless reconnect: 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 | S3003LWES |
Model | 06C |
More information #ad
2. FIRST ALERT
#ad
White, FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup, 1 pack
#adFIRST ALERT #ad - Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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. Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.
More information #ad
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. Rigorously tested to meet UL standards. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. 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.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.9 Inches |
Length | 5.6 Inches |
Weight | 0.25 Pounds |
Width | 5.6 Inches |
Part Number | SC9120B |
Model | SC9120B |
Warranty | 7 Year Limited |
More information #ad
3. X-Sense
#ad
SC01, X-Sense 10 Year Battery Not Hardwired Smoke and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check
#adX-Sense #ad - Informative lcd: clearly indicates real-time carbon monoxide CO levels in the surrounding air, as well as its battery level and working status. 10-year battery: provides 10 years of continuous power with a built-in lithium battery; saves you from battery replacement.Assured quality: we offer a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Etl certified: meets the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product.
More information #ad
2-in-1 protection: equipped with both photoelectric smoke sensor and electrochemical CO sensor that both detect smoke and dangerous CO levels. Simple installation: requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 0.69 Pounds |
Width | 5.7 Inches |
Part Number | SC01-1-5 |
Model | SC01 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
4. FIRST ALERT
#ad
Smart Hardwired Smoke + Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa, First Alert Onelink Safe & Sound
#adFIRST ALERT #ad - 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 mobile controls: get remote notifications of an emergency in your home for 24/7 safety, and more, plus track carbon monoxide levels, customize nightlights, using First Alert's Onelink Home app.Safe & sound supports AirPlay 2 and requires iOS 12. 2 or later or macOS 1014. 4 or later. 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.
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. 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.
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
5. FIRST ALERT
#ad
FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector
#adFIRST ALERT #ad - Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 10 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety. 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.
More information #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. Rigorously tested to meet UL standards. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home. Keep your family safe with this talking hardwired smoke and carbon monoxide alarm; It's equipped with voice and location, so you are alerted of the danger and where it originates from across your house. The 85-decibel alarm provides a clear, loud warning upon detection. Note: kindly refer to the user manual provided as a PDF manual in the product description section.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 5.13 Inches |
Length | 5.13 Inches |
Weight | 0.7 Pounds |
Width | 2.38 Inches |
Part Number | SC7010BV |
Model | SC7010BV |
Warranty | 10 year |
More information #ad
6. Kidde
#ad
Interconnect Combination Smoke & CO Alarm with Battery Backup, Hardwired, Kidde Smoke & Carbon Monoxide Detector, Voice Alert
#adKidde #ad - Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire. 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 detector operates on a 120V power source with 9V front-loading battery backup. Fire & co detector in 1 unit with alert modes, that states, led lights, "Fire! Fire!", "Warning! Carbon Monoxide!", & voice alarm, or "Low Battery!".Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1.85 Inches |
Length | 5.79 Inches |
Weight | 0.7 Pounds |
Width | 5.79 Inches |
Part Number | 21029735 |
Model | KN-COPE-IC |
Warranty | 7 year limited |
More information #ad
7. Kidde
#ad
Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Hardwired, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Ul certified, 10-year limited warranty. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Fire & co detector in 1 unit with alert modes, "fire! fire!", LED lights, that states, & voice alarm, "Warning! Carbon Monoxide!", or "Low Battery!".1
More information #ad
120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 0.4 Pounds |
Width | 6 Inches |
Part Number | 21026041 |
Model | KN-COSM-IBA |
Warranty | 10 Year Limited |
More information #ad
8. Kidde
#ad
Battery Powered, Interconnect Combination Smoke & CO Alarm, Voice Alert, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Fire & co detector in 1 unit with alert modes, "fire! Fire!", & voice alarm, that states, LED lights, "warning! carbon Monoxide!", or "Low Battery!".More information #ad
Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Weight | 1 Pounds |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
9. X-Sense
#ad
Large Silence Button, X-Sense 10 Years Battery Wireless Interconnected Combination Smoke and Carbon Monoxide Detector Alarm with Over 820 ft Transmission Range, XP01-W, 6-Pack
#adX-Sense #ad - Wide coverage for full home protection: Interlinks with up to 24 X-Sense smoke, or combination alarms in a network, CO, 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. 2-in-1 protection: built with a photoelectric smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats.
More information #ad
Built-in 10-year battery: uninterrupted 24/7 monitoring with a 10-year sealed lithium battery, freeing you from frequent battery replacement. Entire house notification: if one alarm goes off, all other interlinked alarms will follow suit, alerting you to danger regardless of where you are.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
10. FIRST ALERT
#ad
First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm, 2nd Generation, Works with Ring Alarm
#adFIRST ALERT #ad - 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. Help keep your family safe with this battery-powered smoke detector and carbon monoxide alarm; includes 2 AA batteries.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.
More information #ad
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. This device is certified to work with Ring; Requires Ring Alarm to Work with Ring. Enjoy improved compatibility, easier setup and a seamless in-app experience. Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected.
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