Smoke Detectors Prices & Local Availability | Walmart

Uses item details. Price when purchased online

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

Overall pick
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Available in additional 2 options
current price $19.88
Options from $19.88 – $35.78

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

4.5 out of 5 Stars. 802 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 $21.24 Was $24.99

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
Available in additional 8 options
current price Now $21.24, Was $24.99
Options from $21.24 – $225.99

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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50+ bought since yesterday First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT $16.99 $28.80/ea

50+ bought since yesterday
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 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch $34.97

50+ bought since yesterday
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Available in additional 2 options
current price $34.97
Options from $34.97 – $62.94

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, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs $225.99

SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs
Sponsored
current price $225.99
Options from $21.24

SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs

4.4 out of 5 Stars. 195 reviews
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Only 7 left

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

Overall pick
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Sponsored
current price $19.88
Options from $19.88 – $35.78

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

4.5 out of 5 Stars. 802 reviews
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Delivery as soon as 9amShipping, arrives todayPickup as soon as 9am

50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch $34.97

50+ bought since yesterday
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Sponsored
current price $34.97
Options from $34.97 – $62.94

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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50+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack $36.88 $18.44/ea

50+ bought since yesterday
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
Sponsored
current price $36.88
$18.44/ea
Options from $36.88 – $147.52

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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Delivery as soon as 9amFree shipping, arrives todayFree pickup as soon as 9am

50+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack $36.88 $18.44/ea

50+ bought since yesterday
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
Available in additional 2 options
current price $36.88
$18.44/ea
Options from $36.88 – $147.52

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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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup $19.81 Was $24.95

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
current price Now $19.81, 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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Shipping, arrives Mon, Jun 29

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup $35.97

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Sponsored
current price $35.97
Options from $35.97 – $71.94

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

3.7 out of 5 Stars. 233 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 $22.32 Was $24.80

Deal
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
Sponsored
current price Now $22.32, Was $24.80
Options from $22.32 – $76.15

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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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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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack $19.12 Was $22.99

SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
Available in additional 9 options
current price Now $19.12, Was $22.99
Options from $19.12 – $129.99

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 $35.97

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Available in additional 2 options
current price $35.97
Options from $35.97 – $71.94

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

3.7 out of 5 Stars. 233 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack $93.59

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
current price $93.59

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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Smoke Alarm Detector Home Fire Safety Sensor Alert $11.62

Smoke Alarm Detector Home Fire Safety Sensor Alert
current price $11.62

Smoke Alarm Detector Home Fire Safety Sensor Alert

4.1 out of 5 Stars. 39 reviews
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Low stock

Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector $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
current price $12.99
Options from $12.99 – $59.34

Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector

4.3 out of 5 Stars. 31 reviews
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4 Pack Smoke Detector Home Security Sensor Alert Alarm $31.99

4 Pack Smoke Detector Home Security Sensor Alert Alarm
White A/1 Pack, variant on 4 Pack Smoke Detector Home Security Sensor Alert Alarm
White/1PCS, variant on 4 Pack Smoke Detector Home Security Sensor Alert Alarm
White A/2 Pack, variant on 4 Pack Smoke Detector Home Security Sensor Alert Alarm
White/2PCS, variant on 4 Pack Smoke Detector Home Security Sensor Alert Alarm
current price $31.99
Options from $13.39

4 Pack Smoke Detector Home Security Sensor Alert Alarm

4.1 out of 5 Stars. 8 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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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
Sponsored
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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SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm with Magnetic Fastening Kit, Smoke Alarm with Photoelectric Sensor and Low Battery Warning Function for House, ETL-9th Listed, GS509A, 5 Pack $78.77

SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm with Magnetic Fastening Kit, Smoke Alarm with Photoelectric Sensor and Low Battery Warning Function for House, ETL-9th Listed, GS509A, 5 Pack
Sponsored
current price $78.77
Options from $19.12

SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm with Magnetic Fastening Kit, Smoke Alarm with Photoelectric Sensor and Low Battery Warning Function for House, ETL-9th Listed, GS509A, 5 Pack

4.4 out of 5 Stars. 552 reviews
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2PCS Smoke Alarm Detector Home Safety Sensor Alert $17.79

2PCS Smoke Alarm Detector Home Safety Sensor Alert
White/1 Pack, variant on 2PCS Smoke Alarm Detector Home Safety Sensor Alert
White/2 Pack, variant on 2PCS Smoke Alarm Detector Home Safety Sensor Alert
White/3 Pack, variant on 2PCS Smoke Alarm Detector Home Safety Sensor Alert
White/4 Pack, variant on 2PCS Smoke Alarm Detector Home Safety Sensor Alert
current price $17.79
Options from $12.99

2PCS Smoke Alarm Detector Home Safety Sensor Alert

4.1 out of 5 Stars. 59 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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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
Free shipping, arrives in 3+ days

Deal SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack $22.32 Was $24.80

Deal
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
current price Now $22.32, Was $24.80
Options from $22.32 – $76.15

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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Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch $34.84

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
Available in additional 2 options
current price $34.84
Options from $34.84 – $63.00

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

3.8 out of 5 Stars. 162 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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2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required $23.99

2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/1 Pack, variant on 2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/2 Pack, variant on 2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/3 Pack, variant on 2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
White/4 Pack, variant on 2 Pack Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
current price $23.99

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

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Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup $34.94

Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
Available in additional 2 options
current price $34.94
Options from $34.94 – $69.88

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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Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch $34.84

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
Sponsored
current price $34.84
Options from $34.84 – $63.00

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

3.8 out of 5 Stars. 162 reviews
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SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm,Fire Alarm with Test/Silence Button,6 Packs $134.91

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm,Fire Alarm with Test/Silence Button,6 Packs
Sponsored
current price $134.91
Options from $26.21

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm,Fire Alarm with Test/Silence Button,6 Packs

4.4 out of 5 Stars. 136 reviews
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Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE $27.94

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE
Available in additional 2 options
current price $27.94
Options from $27.94 – $111.76

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE

4.4 out of 5 Stars. 67 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack $65.00 $32.50/ea

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack
Available in additional 2 options
current price $65.00
$32.50/ea
Options from $65.00 – $130.00

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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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 Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 3 Packs $55.75 Was $62.99

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
Available in additional 9 options
current price Now $55.75, Was $62.99
Options from $26.21

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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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included $29.97

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
Available in additional 2 options
current price $29.97
Options from $29.97 – $54.00

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, Voice Alerts & LED Warning Lights $46.74

Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights
current price $46.74

Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights

4.4 out of 5 Stars. 15 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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2PCS Smoke Alarm Detector $19.39

2PCS Smoke Alarm Detector
White/1 Pack, variant on 2PCS Smoke Alarm Detector
White/2 Pack, variant on 2PCS Smoke Alarm Detector
White/3 Pack, variant on 2PCS Smoke Alarm Detector
White/4 Pack, variant on 2PCS Smoke Alarm Detector
current price $19.39
Options from $13.39

2PCS Smoke Alarm Detector

4.2 out of 5 Stars. 5 reviews
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Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack $20.39 Was $25.49

Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack
current price Now $20.39, Was $25.49

Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack

4.6 out of 5 Stars. 12 reviews
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Shelly Gas CNG detector | Wi-Fi Smart Gas Sensor with Sound and Light Alarm | Certified | Flame Resistant | Wire-free | Scene Activation | iOS & Android App $66.49

Shelly Gas CNG detector | Wi-Fi Smart Gas Sensor with Sound and Light Alarm | Certified | Flame Resistant | Wire-free | Scene Activation | iOS & Android App
current price $66.49

Shelly Gas CNG detector | Wi-Fi Smart Gas Sensor with Sound and Light Alarm | Certified | Flame Resistant | Wire-free | Scene Activation | iOS & Android App

4.7 out of 5 Stars. 6 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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First Alert PRC710, Battery-Powered Ionization Smoke Alarms $21.99

First Alert PRC710, Battery-Powered Ionization Smoke Alarms
current price $21.99

First Alert PRC710, Battery-Powered Ionization Smoke Alarms

4.6 out of 5 Stars. 27 reviews
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Universal Security Instruments 10-Year Battery Smoke, Fire, Carbon Monxide Alarm $49.97

Universal Security Instruments 10-Year Battery Smoke, Fire, Carbon Monxide Alarm
current price $49.97

Universal Security Instruments 10-Year Battery Smoke, Fire, Carbon Monxide Alarm

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First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm $35.90 Was $41.10

First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm
current price Now $35.90, Was $41.10

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

5 out of 5 Stars. 1 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack $57.00 $28.50/ea

Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack
Available in additional 2 options
current price $57.00
$28.50/ea
Options from $57.00 – $114.00

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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First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK $87.29

First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK
current price $87.29

First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK

4.4 out of 5 Stars. 31 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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About Smoke Detectors Prices & Local Availability | Walmart - Walmart.com

Smoke detectors help you compare power source, sensor type, battery life, and placement for your home. You can narrow your options quickly when you match each alarm to your rooms, wiring, and upkeep routine.

How to choose smoke detectors for your home

When you compare smoke detectors, you should start with your home's wiring and your preferred maintenance routine. You can choose with more clarity when you match the alarm to your ceiling location, room layout, and replacement schedule.

Many shoppers compare battery operated smoke alarms with hardwired smoke detectors before other details. You may prefer battery models for simple setup, while you may prefer wired units for homes with existing alarm connections.

  • You can use battery operated models where you have limited wiring access.
  • You can choose hardwired options when your home already supports interconnected alarms.
  • You can consider plug-in styles for select spaces with convenient outlet access.
  • You can compare smoke-only units with carbon monoxide and smoke detectors for combined coverage.

You should also check local code requirements before you decide on placement and power source. In many newer homes, you may need interconnected alarms that sound together across multiple rooms.

Choosing between smoke alarms and fire alarms by sensor type

You can make an informed choice when you understand how sensor types differ in everyday use. You may choose photoelectric models for smoldering fire patterns, while you may choose ionization models for fast-flaming fire patterns.

If you want broader detection in one unit, you can compare dual sensor smoke alarms. You may like dual-sensor options because you get both sensing approaches in one alarm housing.

You'll also notice that smoke alarms come in formats designed for bedrooms, hallways, stair areas, and common spaces. You can review sensor type alongside sound level, hush buttons, and test access for simple routine checks.

Comparing battery operated and hardwired smoke detectors

You should measure installation needs before you choose between battery operated and hardwired designs. Battery powered units can work well when you want flexible placement without connecting to household wiring.

Hardwired smoke detectors can suit homes with existing alarm circuits and interconnected layouts. You may prefer this setup when you want multiple alarms to sound together during one triggered event.

Plug-in models can also fit specific rooms where outlet access guides your setup. You should check cord placement, wall space, and room function so your alarm style matches your space.

Battery life is another key decision point when you compare options across this category. You can choose 10-year sealed batteries for less routine replacement, or you can select replaceable 9V or AA formats.

If you want less hands-on maintenance, you may prefer a 10-year battery smoke detector. If you already keep spare household batteries, you may prefer replaceable formats for familiar upkeep.

What to look for in carbon monoxide and smoke detectors

You can simplify your setup when you choose carbon monoxide and smoke detectors for shared coverage in one unit. This format can help you reduce wall and ceiling clutter in spaces where combined monitoring makes sense.

Combination units are often useful near sleeping areas and central living zones. You should still compare display style, voice alerts, and battery format so the alarm fits your daily routine.

Some shoppers prefer smoke-only alarms in homes that already use separate carbon monoxide devices. You can decide based on your current setup, room count, and whether you want fewer devices to maintain.

Where to install smoke detectors in your home

You should plan room by room so your alarm type matches the space where you need it. Bedrooms, hallways, upper levels, and main living areas often guide how many units you may need.

If you manage a larger home, you may want interconnected alarms that notify you across multiple floors. If you update one room at a time, you may start with battery operated smoke alarms in key areas.

You can also match features to daily habits and household layout. A hush button may help you silence nuisance alerts, while a front-load battery door may make simple routine replacement easier.

For remodels and new construction, you should check whether local codes require hardwired smoke detectors in specific areas. You can avoid uncertainty when you confirm wiring needs and interconnection rules before installation.

How you can compare features with confidence

You can compare alarm size, mounting hardware, test controls, and battery format to narrow your options without guesswork. You should look for features that fit your ceiling height, access needs, and maintenance routine.

When you choose smoke detectors with the right sensor type, power source, and battery life, you get a setup that fits your home precisely. You can feel more confident when your alarms match your layout, wiring, and everyday upkeep preferences.