10 Best Dual Sensor Smoke Alarm Hardwireds
for November 2021

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1
9.8
SCORE
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm with Auto-Check, SC06, Pack of 3

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired)

10-Year Battery-Operated Dual Sensor Fire & CO Alarm with Auto-Check, SC06, Pack of 3

by X-Sense
What We like

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

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Product 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 Detector: 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

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 10-year battery-operated smoke and co detector: 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 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

2
9.5
SCORE
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, 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, SC01

by X-Sense
What We like

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

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Product Features

  • 10-Year Battery & 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
  • Practical 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; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.8 seconds
  • 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

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 Practical 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; if a co concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the led indicator will flash red 4 times every 5.8 seconds 10-year battery & 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

3
9.2
SCORE
X-Sense SC03 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Pack of 3

X-Sense SC03 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm

Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Pack of 3

by X-Sense
What We like

EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide detector combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide detector and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support

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Product Features

  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide detector 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
  • 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
  • 10-YEAR BATTERY LIFE: 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 its time to replace the unit for safety
  • 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

10-year battery life: 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 its time to replace the unit for safety Alarm types for more convenient: different alarm patterns of this carbon monoxide detector 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

4
9
SCORE
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

by Kidde Safety
What We like

Interconnectable, 120V hardwire alarm with battery backup that provides protection even during a power outage

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Product Features

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

Hush feature temporarily silences nuisance alarms Test/reset button tests units electronic circuitry and horn.audio alarm:85db at 10ft Dual sensor contains both a photoelectric and ionization sensor providing dual sensor protection in your home Red led flashes every 30-40 seconds to indicate that the smoke alarm is operating properly

5
8.9
SCORE
First Alert Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST

First Alert Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup

SA521CN-3ST

by First Alert
What We like

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)

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Product Features

  • Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
  • Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alertenabled alarms to create a home safety network
  • Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection
  • Includes test/silence button, low-battery warning, EZ access battery door
  • Hardwired alarm includes 2 AA backup batteries for continued monitoring in the event of a power outage

Includes test/silence button, low-battery warning, ez access battery door Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms Hardwired alarm includes 2 aa backup batteries for continued monitoring in the event of a power outage Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alertenabled alarms to create a home safety network

6
8.5
SCORE
Ecoey Smoke Carbon Monoxide Detector, 10 Year Battery, Dual Sensor Smoke CO Combo Alarm with Silence Function,FJ183-A,1 Pack

Ecoey Smoke Carbon Monoxide Detector

10 Year Battery, Dual Sensor Smoke CO Combo Alarm with Silence Function, FJ183-A, 1 Pack

by Ecoey
What We like

2-IN-1 FUNCTION: Photoelectric smoke sensor and electrochemical CO sensor work independently, smoke alarm prior to CO alarm. Smoke monoxide detector detects fast and slow-burning fires with minimized false alarms, provides you the ultimate protection

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Product Features

  • INSTALL EASILY: Smoke alarm(not hardwired) can be installed in 5 minutes by yourself, coming with screws and bracket. Smoke alarms can be mounted in ceiling or wall of every room, bedroom, kitchen to ensure the safety of you and your family
  • 10 YEARS LIFE: This smoke carbon monoxide detector contains 1 built-in 3V lithium battery, and could keep for 10 year without replacing to protect environment and save time. Low battery warning will open when you need to change smoke detector
  • ERGONOMIC DESIGN: Combo alarm contains test button, please press test button monthly to confirm working status of smoke detector. Fire alarm tone is over 85 dB at 3 meter and will sound throughout your entire home, press test button to silent
  • HIGH-TECH: This 2 in 1 smoke and carbon monoxide detector has a built-in intelligent chipset. LED light is green in normal and turn red in emergency, fire alarms smoke detectors detect the safety of your house at anytime

Install easily: smoke alarm(not hardwired) can be installed in 5 minutes by yourself, coming with screws and bracket. smoke alarms can be mounted in ceiling or wall of every room, bedroom, kitchen to ensure the safety of you and your family Ergonomic design: combo alarm contains test button, please press test button monthly to confirm working status of smoke detector. fire alarm tone is over 85 db at 3 meter and will sound throughout your entire home, press test button to silent 10 years life: this smoke carbon monoxide detector contains 1 built-in 3v lithium battery, and could keep for 10 year without replacing to protect environment and save time. low battery warning will open when you need to change smoke detector High-tech: this 2 in 1 smoke and carbon monoxide detector has a built-in intelligent chipset. led light is green in normal and turn red in emergency, fire alarms smoke detectors detect the safety of your house at anytime

7
8.5
SCORE
First Alert Dual-Sensor Smoke and Fire Alarm, Battery Powered, Frustration-Free Packaging, SA320CN

First Alert Dual-Sensor Smoke and Fire Alarm

Battery Powered, Frustration-Free Packaging, SA320CN

by First Alert
What We like

Single test/silence button lets you easily check alarm function and mute false alarms; Use Polaroid AA batteries for best results

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Product Features

  • Help keep your family safe with this battery operated smoke alarm; It requires no rewiring for installation and provides continuous monitoring even if there's a power failure
  • Loud 85 decibel siren sounds to alert you to danger
  • Equipped with both a photoelectric and ionization 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)
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom

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) Help keep your family safe with this battery operated smoke alarm; it requires no rewiring for installation and provides continuous monitoring even if there's a power failure Equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires To ensure complete protection make sure to place one on each level of your home and in each bedroom Loud 85 decibel siren sounds to alert you to danger

8
8.5
SCORE
First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric Sensor and Ionized Alarm with Battery Backup

First Alert BRK 3120B Hardwired Smoke Detector with Photoelectric Sensor and Ionized Alarm with Battery Backup

by First Alert
What We like

Photoelectric and ionization sensors provide comprehensive fire detection

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Product Features

  • 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)
  • Hardwired alarm includes battery backup for power outages
  • 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
  • Two latching features help indicate a low battery or the originating alarm in a system

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) A single button makes alarm easy to test monthly or silence during a false alarm. temperature range:40f (4c) to 100f (38c) Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires 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 Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety Hardwired alarm includes battery backup for power outages

9
8.5
SCORE
Kidde 21007915-N Dual Sensor AC Hardwire Interconnect Smoke Alarm, White

Kidde 21007915-N Dual Sensor AC Hardwire Interconnect Smoke Alarm

White

by Kidde
What We like

Product is highly durable and very easy to use.Temperature Range:40F (4.4C) to 100F (37.8C)

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Product Features

  • This product adds a great value
  • This product is manufactured in China

This product adds a great value This product is manufactured in china

10
8.5
SCORE
First Alert FAT1039828 Dual-Sensor Smoke & Fire Alarm

First Alert FAT1039828 Dual-Sensor Smoke & Fire Alarm

by First Alert / BRK Brands, Inc.
What We like

Loud 85db Alarm Is Designed To Be Heard Easily

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Product Features

  • 2 Sensors Detect Smoke From Both Smoldering & Flaming Fires
  • Battery-powered Fire Detector Installs Anywhere With No Wiring Required
  • Single Test/silence Button For Simple Operation
  • Engineered To Reduce False Alarms From Cooking Smoke Or Steam

Single test/silence button for simple operation 2 sensors detect smoke from both smoldering & flaming fires Battery-powered fire detector installs anywhere with no wiring required Engineered to reduce false alarms from cooking smoke or steam

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