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Smoke Detectors

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Overall pick Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $19.88

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Available in additional 2 options
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From$1988

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included

4.5 out of 5 Stars. 814 reviews
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50+ bought since yesterday First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT $16.99 $28.80/ea

First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT
current price $16.99
$28.80/ea

First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT

4.6 out of 5 Stars. 153 reviews
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50+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
Available in additional 2 options
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From$3688

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack

4.5 out of 5 Stars. 281 reviews
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100+ bought since yesterday Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included

Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
Available in additional 3 options
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Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included

4.5 out of 5 Stars. 775 reviews
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Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery $27.97

Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery
current price $27.97

Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery

4.6 out of 5 Stars. 165 reviews
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SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs From $23.68

SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs
Available in additional 8 options
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From$2368

SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs

4.4 out of 5 Stars. 199 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup $19.79 Was $24.95

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
current price Now $19.79, Was $24.95

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup

4.7 out of 5 Stars. 68 reviews
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50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch From $34.97

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Available in additional 2 options
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From$3497

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch

4.1 out of 5 Stars. 381 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup From $35.97

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Available in additional 2 options
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From$3597

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup

3.7 out of 5 Stars. 234 reviews
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Smoke Alarm Detector Home Fire Safety Sensor Alert

Smoke Alarm Detector Home Fire Safety Sensor Alert

Smoke Alarm Detector Home Fire Safety Sensor Alert

4.1 out of 5 Stars. 43 reviews
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $19.52

SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
Available in additional 9 options
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From$1952

SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack

4.4 out of 5 Stars. 558 reviews
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50+ bought since yesterday Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts From $49.96

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
Available in additional 2 options
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From$4996

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts

4.5 out of 5 Stars. 336 reviews
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Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector From $12.99

Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
White/1 Pack, variant on Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
White/2 Pack, variant on Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
White/4 Pack, variant on Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
White/8 Pack, variant on Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
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From$1299

Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector

4.3 out of 5 Stars. 32 reviews
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Smoke Alarm Detector Home Safety Sensor Alert From $12.99

Smoke Alarm Detector Home Safety Sensor Alert
White/1 Pack, variant on Smoke Alarm Detector Home Safety Sensor Alert
White/2 Pack, variant on Smoke Alarm Detector Home Safety Sensor Alert
White/3 Pack, variant on Smoke Alarm Detector Home Safety Sensor Alert
White/4 Pack, variant on Smoke Alarm Detector Home Safety Sensor Alert
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From$1299

Smoke Alarm Detector Home Safety Sensor Alert

4.1 out of 5 Stars. 60 reviews
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack $49.97

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
current price $49.97

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack

4.5 out of 5 Stars. 56 reviews
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SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $24.80

SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
Available in additional 3 options
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From$2480

SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack

4.7 out of 5 Stars. 25 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector From $60.00

Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector
Available in additional 2 options
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From$6000

Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector

4.2 out of 5 Stars. 427 reviews
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Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch From $65.00

Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch
Available in additional 2 options
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From$6500

Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch

4.4 out of 5 Stars. 319 reviews
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First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization $49.51

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
current price $49.51

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization

4.2 out of 5 Stars. 124 reviews
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Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm $34.97

Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm
current price $34.97

Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm

1.9 out of 5 Stars. 132 reviews
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Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included From $49.97

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included
Available in additional 2 options
Options
From$4997

Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included

4.6 out of 5 Stars. 216 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack

4.4 out of 5 Stars. 20 reviews
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Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE From $44.94

Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE
Available in additional 2 options
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From$4494

Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE

4.5 out of 5 Stars. 108 reviews
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SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack From $26.21

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack
Available in additional 9 options
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From$2621

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack

4.4 out of 5 Stars. 137 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch From $34.84

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
Available in additional 2 options
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From$3484

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch

3.8 out of 5 Stars. 163 reviews
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Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup From $34.94

Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
Available in additional 2 options
Options
From$3494

Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup

4.2 out of 5 Stars. 122 reviews
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First Alert 1046834, Electric Precision Detection Smoke Alarms $24.84

First Alert 1046834, Electric Precision Detection Smoke Alarms
current price $24.84

First Alert 1046834, Electric Precision Detection Smoke Alarms

4.5 out of 5 Stars. 107 reviews
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Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack From $58.00

Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack
Available in additional 2 options
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From$5800

Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack

3.4 out of 5 Stars. 131 reviews
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First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747 $42.14

First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747
current price $42.14

First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747

4.4 out of 5 Stars. 28 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included From $29.97

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
Available in additional 2 options
Options
From$2997

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included

4.5 out of 5 Stars. 126 reviews
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First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm $35.99

First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm
current price $35.99

First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm

3 out of 5 Stars. 2 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack From $65.00

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack
Available in additional 2 options
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From$6500

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack

3.6 out of 5 Stars. 148 reviews
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BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $24.99 Was $29.00

BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
current price Now $24.99, Was $29.00

BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector

4.7 out of 5 Stars. 145 reviews

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm $24.59

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
current price $24.59

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm

4.5 out of 5 Stars. 69 reviews
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Smoke Detector Home Security Sensor Alert Alarm From $13.39

Smoke Detector Home Security Sensor Alert Alarm
White A/1 Pack, variant on Smoke Detector Home Security Sensor Alert Alarm
White/1PCS, variant on Smoke Detector Home Security Sensor Alert Alarm
White A/2 Pack, variant on Smoke Detector Home Security Sensor Alert Alarm
White/2PCS, variant on Smoke Detector Home Security Sensor Alert Alarm
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From$1339

Smoke Detector Home Security Sensor Alert Alarm

4.1 out of 5 Stars. 11 reviews
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BRK Battery-Powered Ionization Smoke Detector $19.95

BRK Battery-Powered Ionization Smoke Detector
current price $19.95

BRK Battery-Powered Ionization Smoke Detector

4.3 out of 5 Stars. 23 reviews
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Smoke Alarm Detector From $13.39

Smoke Alarm Detector
White/1 Pack, variant on Smoke Alarm Detector
White/2 Pack, variant on Smoke Alarm Detector
White/3 Pack, variant on Smoke Alarm Detector
White/4 Pack, variant on Smoke Alarm Detector
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From$1339

Smoke Alarm Detector

4.2 out of 5 Stars. 5 reviews
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First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795 $36.99

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795
current price $36.99

First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795

4.8 out of 5 Stars. 26 reviews
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector $34.90

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector
current price $34.90

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector

4.5 out of 5 Stars. 23 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack From $57.00

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack
Available in additional 2 options
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From$5700

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack

4.6 out of 5 Stars. 75 reviews
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