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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. 802 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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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

4.6 out of 5 Stars. 275 reviews
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50+ bought since yesterday Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included From $38.97

Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
Available in additional 3 options
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From$3897

Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included

4.5 out of 5 Stars. 767 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

4.5 out of 5 Stars. 159 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup $19.46 Was $24.95

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
current price Now $19.46, Was $24.95

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

4.7 out of 5 Stars. 66 reviews
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Deal 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 $20.10

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$2010

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. 195 reviews
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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. 370 reviews
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $19.12

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$1912

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

4.4 out of 5 Stars. 552 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. 233 reviews
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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. 329 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. 31 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. 315 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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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

4.6 out of 5 Stars. 52 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
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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 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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Deal SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $22.32

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$2232

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

4.8 out of 5 Stars. 16 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

4.5 out of 5 Stars. 17 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
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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. 120 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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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 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. 105 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. 162 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
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From$2997

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

4.5 out of 5 Stars. 125 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. 130 reviews
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First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747 $42.16

First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747
current price $42.16

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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Deal SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 3 Packs From $20.97

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 3 Packs
Available in additional 9 options
Options
From$2097

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 3 Packs

4.4 out of 5 Stars. 136 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. 141 reviews

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 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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Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE From $27.94

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE
Available in additional 2 options
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From$2794

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE

4.4 out of 5 Stars. 67 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

4.5 out of 5 Stars. 22 reviews
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First Alert 1046755, Battery Photoelectric Smoke Alarm $28.16

First Alert 1046755, Battery Photoelectric Smoke Alarm
current price $28.16

First Alert 1046755, Battery Photoelectric Smoke Alarm

4.3 out of 5 Stars. 15 reviews
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First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK $122.43 Was $139.99

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK
current price Now $122.43, Was $139.99

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK

4.7 out of 5 Stars. 38 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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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

4.5 out of 5 Stars. 73 reviews
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Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required From $14.99

Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/1 Pack, variant on Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/2 Pack, variant on Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/3 Pack, variant on Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/4 Pack, variant on Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
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From$1499

Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required

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First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup $36.95

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup
current price $36.95

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup

4.3 out of 5 Stars. 35 reviews

First Alert Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup, 1 pk $41.99

First Alert Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup, 1 pk
current price $41.99

First Alert Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup, 1 pk

5 out of 5 Stars. 1 reviews
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