Rank Product Name Score
1 First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack
First Alert
9.8 GET ON AMAZON
2 Kidde PI2010 Hardwired Dual Photoelectric and Ionization Sensor Smoke Alarm with Battery Backup Kidde PI2010 Hardwired Dual Photoelectric and Ionization Sensor Smoke Alarm with Battery Backup
Kidde Safety
9.7 GET ON AMAZON
3 First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide (CO) Detector with 10 Year Sealed Battery Backup , White First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide (CO) Detector with 10 Year Sealed Battery Backup , White
First Alert
9.4 GET ON AMAZON
4 X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03 X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03
X-Sense
9.4 GET ON AMAZON
5 X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06 X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06
X-Sense
9.1 GET ON AMAZON
6 Smoke Alarms Detector,Dual Smoke Sensor Alarm with Voice Warning, 10 Year Lithium Battery Fire Alarm, CO Alarm Complies with UL 217 & UL 2034 Standards, Fire Alarms Detector Auto-Check (Not Hardwired) Smoke Alarms Detector,Dual Smoke Sensor Alarm with Voice Warning, 10 Year Lithium Battery Fire Alarm, CO Alarm Complies with UL 217 & UL 2034 Standards, Fire Alarms Detector Auto-Check (Not Hardwired)
HUIZHOU ANKA SCI-TECH CO.
8.9 GET ON AMAZON
7 Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-939 Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-939
ANKA SCI-TECH CO., LIMITED.
8.8 GET ON AMAZON
8 Smoke Carbon Monoxide Detector Alarm, Fire Alarm Smoke Detector with 10 Year Battery, Not Hardwired, Dual Sensor Smoke CO Combo Alarm with Silence Function, UL 217 & UL 2034 Standards Smoke Carbon Monoxide Detector Alarm, Fire Alarm Smoke Detector with 10 Year Battery, Not Hardwired, Dual Sensor Smoke CO Combo Alarm with Silence Function, UL 217 & UL 2034 Standards
HUIZHOU ANKA SCI-TECH co., LIMITED
8.7 GET ON AMAZON
9 Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-938 Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-938
HUIZHOU ANKA SCI-TECH CO., LIMITED
8.3 GET ON AMAZON
10 MOSUO Photoelectric Smoke and Carbon Monoxide Detector Alarm, 10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards MOSUO Photoelectric Smoke and Carbon Monoxide Detector Alarm, 10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards
HUIZHOU ANKA SCI-TECH co., LIMITED
8.3 GET ON AMAZON

First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack

First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack

    Features:

  • Hardwired alarm includes battery backup for power outages
  • Photoelectric and ionization sensors provide comprehensive fire detection
  • A single button makes alarm easy to test monthly or silence during a false alarm. Temperature Range: 40°F (4°C) to 100°F (38°C)
  • Two latching features help indicate a low battery or the originating alarm in a system
  • Optipath 360 patented technology provides 360 degrees of access to the smoke alarm. Emits T3 Pattern
  • Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires
  • 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)
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Kidde PI2010 Hardwired Dual Photoelectric and Ionization Sensor Smoke Alarm with Battery Backup

Kidde PI2010 Hardwired Dual Photoelectric and Ionization Sensor Smoke Alarm with Battery Backup

    Features:

  • Dual sensor contains both a photoelectric and ionization sensor providing dual sensor protection in your home
  • Hush feature temporarily silences nuisance alarms
  • Interconnectable, 120V hardwire alarm with battery backup that provides protection even during a power outage
  • Red LED flashes every 30-40 seconds to indicate that the smoke alarm is operating properly
  • Test/Reset button tests units electronic circuitry and horn.Audio alarm:85dB at 10ft

First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide (CO) Detector with 10 Year Sealed Battery Backup , White

First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide (CO) Detector with 10 Year Sealed Battery Backup , White

    Features:

  • Keep your family safer with this hardwired smoke and carbon monoxide alarm; The 10 year battery backup means constant monitoring for the life of the alarm even if there’s a power failure
  • Features an electrochemical Carbon Monoxide sensing technology as well as intelligent smoke sensing technology to reduce nuisance alarms; Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation
  • 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
  • Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering
  • 10-year limited warranty; Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety
  • Rigorously tested to meet UL standards, Emits T3 pattern
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • 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)

X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03

X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03

    Features:

  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide 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
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06

    Features:

  • Combination Smoke and Carbon Monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source
  • 10-Year Battery-Operated Smoke and CO Alarm: A sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life
  • Faster Response to Dangers with 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
  • Simple Installation & Operation: This battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease
  • Premium Quality: Made from a premium PC material, ensuring exceptional quality and protection; 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

Smoke Alarms Detector,Dual Smoke Sensor Alarm with Voice Warning, 10 Year Lithium Battery Fire Alarm, CO Alarm Complies with UL 217 & UL 2034 Standards, Fire Alarms Detector Auto-Check (Not Hardwired)

Smoke Alarms Detector,Dual Smoke Sensor Alarm with Voice Warning, 10 Year Lithium Battery Fire Alarm, CO Alarm Complies with UL 217 & UL 2034 Standards, Fire Alarms Detector Auto-Check (Not Hardwired)

    Features:

  • 1:Accurate, Reliable, & Highly Sensitive: This Smoke Detector Alarm Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire while minimizing false alarms.
  • 2:10-Year Battery: This smoke alarm 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; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • 3:Hush Function: This Smoke Detector Alarm fire alarm has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep
  • 4:Easy Install & High Quality: This Smoke Detector Alarm can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, No hardwired need. Certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product.
  • 5:FASTER RESPONSE TO DANGERS WITH LOUD 85 DB ALARM: Gives you the earliest possible warning of smoke threat with both a loud 85 dB alarm and a rapid flashing red LED indicator; this alarm is sure to wake up you and your family, even when sound asleep

Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-939

Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-939

    Features:

  • 10-Year Battery And 10-Year Sensor: This smoke and carbon monoxide alarm 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; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • Hush Function: This smoke and carbon monoxide alarm fire alarm has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep
  • Reliable And 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
  • Simple To Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • Quick And Easy Installation with Guaranteed Quality: Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product

Smoke Carbon Monoxide Detector Alarm, Fire Alarm Smoke Detector with 10 Year Battery, Not Hardwired, Dual Sensor Smoke CO Combo Alarm with Silence Function, UL 217 & UL 2034 Standards

Smoke Carbon Monoxide Detector Alarm, Fire Alarm Smoke Detector with 10 Year Battery, Not Hardwired, Dual Sensor Smoke CO Combo Alarm with Silence Function, UL 217 & UL 2034 Standards

    Features:

  • High Accuracy & Sensitivity: This smoke and carbon monoxide alarm Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire while minimizing false alarms
  • 10-Year Battery Life:This combination smoke and carbon monoxide detector 10 years of continuous power with a built-in lithium battery; saving on energy while remaining eco-friendly; smoke and CO levels saves you from constantly having to change batteries; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • Smart Auto Check: This carbon monoxide detector has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep
  • Simple To Use: The silence/test button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly. when the smoke alarm detects dangerous smoke, it will make more than 85dB alarm sound and the twinkling red LED indicator light at the same time; this alarm is sure to wake up you and your family, even when sound asleep
  • Easy Install & High Quality: This fire alarms smoke detectors can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, no hardwired need. certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product
  • Support APP connection: You need to purchase WiFi Base (ASIN: B08PY7GP91) to connect to APP

Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-938

Smoke and Carbon Monoxide Detector Alarm,10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-938

    Features:

  • 10-Year Battery And 10-Year Sensor: This smoke and carbon monoxide alarm 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; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • Hush Function: This smoke and carbon monoxide alarm fire alarm has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep
  • Reliable And 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
  • Simple To Use: Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • Quick And Easy Installation with Guaranteed Quality: Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product

MOSUO Photoelectric Smoke and Carbon Monoxide Detector Alarm, 10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards

MOSUO Photoelectric Smoke and Carbon Monoxide Detector Alarm, 10-Year Battery (Not Hardwired),Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards

    Features:

  • 10-Year Battery:This smoke and carbon monoxide alarm 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; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • Accurate, Reliable, & Highly Sensitive: This Smoke and Carbon Monoxide Detector Adopts the Most Advanced Photoelectric Sensor, Enabling the Fire and CO Alarm to Quickly Detect Dangerous Smoke levels from Slow-Burning, Smoldering Fires; Provides the Earliest Possible Warning of Fire While Minimizing False Alarms.
  • Hush Function: This Smoke and Carbon Monoxide Alarm Fire and CO Alarm Has Been Redesigned from The Inside Out, and it Will Confirm that Smoke Detector Triggers the Alarm Instead of Interference by Taking 3 Separate Smoke Samples, Minimizing False Alarms to Avoid Waking you From Sleep
  • Easy Install & High Quality: This Smoke Alarm and Carbon Monoxide Detector Can Easy to Mount on any Wall or Ceiling with the Included Mounting Bracket, Screws and Anchor Plugs, No Hardwired Need. Certified to Meet the UL 217 & UL 2034 Safety Standards for your Peace of Mind and Absolute Confidence in our Product.
  • FASTER RESPONSE TO DANGERS WITH LOUD 85 DB ALARM: Gives you the earliest possible warning of smoke and carbon threat with both a loud 85 dB alarm and a rapid flashing red LED indicator; this alarm is sure to wake up you and your family, even when sound asleep

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