Smoke Detectors in Safety Detectors

Uses item details. Price when purchased online

Best seller SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack $18.99

Best seller
SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack
Sponsored
current price $18.99
Options from $18.99 – $113.09

SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack

4.4 out of 5 Stars. 390 reviews
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SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs $81.99

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs
Sponsored
current price $81.99
Options from $19.19

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs

4.5 out of 5 Stars. 85 reviews
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SITERWELL Smoke Detector, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 4 Packs $58.39

SITERWELL Smoke Detector, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 4 Packs
Sponsored
current price $58.39
Options from $23.99

SITERWELL Smoke Detector, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 4 Packs

4.4 out of 5 Stars. 106 reviews
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50+ bought since yesterday First Alert 1046828 Battery-Operated Smoke Alarm, 2-Pack, 9V Batteries Included $24.46

50+ bought since yesterday
First Alert 1046828 Battery-Operated Smoke Alarm, 2-Pack, 9V Batteries Included
current price $24.46

First Alert 1046828 Battery-Operated Smoke Alarm, 2-Pack, 9V Batteries Included

4.6 out of 5 Stars. 135 reviews
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Best seller SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack $18.99

Best seller
SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack
Available in additional 9 options
current price $18.99
Options from $18.99 – $113.09

SITERWELL Smoke Detector, 10 Year Product Life Fire Alarm,Magnetic Fastening Kit, Smoke Alarm, Photoelectric Sensor,Low Battery Warning Function, ETL-9th Listed, GS509A, 1 Pack

4.4 out of 5 Stars. 390 reviews
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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

4.4 out of 5 Stars. 70 reviews
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Overall pick Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included $18.99

Overall pick
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Available in additional 2 options
current price $18.99
Options from $18.99 – $35.78

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

4.4 out of 5 Stars. 556 reviews
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First Alert 1046834, Electric Precision Detection Smoke Alarms $24.84 Was $33.00

First Alert 1046834, Electric Precision Detection Smoke Alarms
current price Now $24.84, Was $33.00

First Alert 1046834, Electric Precision Detection Smoke Alarms

4.6 out of 5 Stars. 76 reviews
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50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch $29.97

50+ bought since yesterday
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Available in additional 2 options
current price $29.97
Options from $29.97 – $62.94

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

3.9 out of 5 Stars. 268 reviews
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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

5 out of 5 Stars. 1 reviews
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50+ bought since yesterday Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery $27.97

50+ bought since yesterday
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. 57 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 $23.99

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
Available in additional 8 options
current price $23.99
Options from $23.99 – $149.99

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. 106 reviews
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Shipping arrives Tue, Feb 24

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

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

4.5 out of 5 Stars. 196 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup $37.79

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Available in additional 2 options
current price $37.79
Options from $37.79 – $75.58

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

3.6 out of 5 Stars. 198 reviews
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BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $19.25 Was $29.00

BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
current price Now $19.25, Was $29.00

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

4.6 out of 5 Stars. 75 reviews
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Shipping arrives Tue, Feb 24

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs $81.99

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs
Available in additional 9 options
current price $81.99
Options from $19.19

SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs

4.5 out of 5 Stars. 85 reviews
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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

4.3 out of 5 Stars. 96 reviews
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack $55.88

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
current price $55.88

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

4.3 out of 5 Stars. 23 reviews
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Kidde Firex Photoelectric Hardwired Smoke Alarm With Battery Back-up $21.94

Kidde Firex Photoelectric Hardwired Smoke Alarm With Battery Back-up
current price $21.94

Kidde Firex Photoelectric Hardwired Smoke Alarm With Battery Back-up

3.3 out of 5 Stars. 113 reviews
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First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400, 1046718PT $34.99 $24.99/ea

First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400, 1046718PT
current price $34.99
$24.99/ea

First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400, 1046718PT

4.8 out of 5 Stars. 6 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

4.5 out of 5 Stars. 19 reviews
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First Alert 1046856, 10 Year Battery Ionization Smoke Alarm $24.59 Was $28.00

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
current price Now $24.59, Was $28.00

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm

4.5 out of 5 Stars. 38 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

4.4 out of 5 Stars. 104 reviews
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Universal Security Instruments Battery, Smoke & Fire Alarm $17.97

Universal Security Instruments Battery, Smoke & Fire Alarm
current price $17.97

Universal Security Instruments Battery, Smoke & Fire Alarm

3.8 out of 5 Stars. 4 reviews
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Clearance! Home Decor Measuring Tools : Combustible Alarm Home and Kitchen Device White,10.5X10.5X3.3cm $15.75

Clearance! Home Decor Measuring Tools : Combustible Alarm Home and Kitchen Device White,10.5X10.5X3.3cm
current price $15.75

Clearance! Home Decor Measuring Tools : Combustible Alarm Home and Kitchen Device White,10.5X10.5X3.3cm

1 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE $26.94

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE
current price $26.94

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE

2.9 out of 5 Stars. 16 reviews
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Only 5 left

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK $137.20

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK
current price $137.20

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK

4.7 out of 5 Stars. 34 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack $104.99

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
current price $104.99

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

Free shipping, arrives in 3+ days

Kidde 9-Volt Smoke Detector Replacement Battery, 2 Count $6.97 $3.49/ea

Kidde 9-Volt Smoke Detector Replacement Battery, 2 Count
current price $6.97
$3.49/ea

Kidde 9-Volt Smoke Detector Replacement Battery, 2 Count

4.6 out of 5 Stars. 24 reviews
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Kidde Firex Battery Operated Kitchen Smoke Detector with Photoelectric Sensor $18.00

Kidde Firex Battery Operated Kitchen Smoke Detector with Photoelectric Sensor
current price $18.00

Kidde Firex Battery Operated Kitchen Smoke Detector with Photoelectric Sensor

2 out of 5 Stars. 14 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

3.7 out of 5 Stars. 141 reviews
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10 Year Worry-Free Battery Powered Smoke Detector with Ionization Sensor $26.94

10 Year Worry-Free Battery Powered Smoke Detector with Ionization Sensor
current price $26.94

10 Year Worry-Free Battery Powered Smoke Detector with Ionization Sensor

3 out of 5 Stars. 2 reviews
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BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm $21.99

BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm
current price $21.99

BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm

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

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece $51.99 Was $62.99

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece
current price Now $51.99, Was $62.99

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece

4.9 out of 5 Stars. 23 reviews
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First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts $111.40

First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts
current price $111.40

First Alert SC5 Battery Smart 2-in-1 Smoke and CO Alarm with Voice Alerts

4 out of 5 Stars. 1 reviews
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First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup $30.99

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup
current price $30.99

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

4.3 out of 5 Stars. 33 reviews
Free shipping, arrives in 3+ days

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. 14 reviews
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Universal Security Instruments, Sensing Plus, Kitchen Smoke & Fire Alarm, with 10-Year Alarm. $31.00

Universal Security Instruments, Sensing Plus, Kitchen Smoke & Fire Alarm, with 10-Year Alarm.
Available in additional 2 options
current price $31.00

Universal Security Instruments, Sensing Plus, Kitchen Smoke & Fire Alarm, with 10-Year Alarm.

4.5 out of 5 Stars. 37 reviews
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First Alert Dual Sensor Smoke Alarm with 10-Year Sealed Battery, 1 pk $64.99

First Alert Dual Sensor Smoke Alarm with 10-Year Sealed Battery, 1 pk
current price $64.99

First Alert Dual Sensor Smoke Alarm with 10-Year Sealed Battery, 1 pk

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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

4.6 out of 5 Stars. 68 reviews
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First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White $21.99

First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White
current price $21.99

First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

4.4 out of 5 Stars. 39 reviews
Free shipping, arrives in 3+ days

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup $82.99

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup
current price $82.99

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

4.6 out of 5 Stars. 325 reviews
Free shipping, arrives in 3+ days

About Smoke Detectors in Safety Detectors - Walmart.com

Factors to Consider When Choosing a Smoke Detector

As you shop Walmart's assortment of smoke and carbon monoxide detectors, look for the following.

Sensor: Smoke detectors have one of two types of sensors or a combination.

  • Ionization: best for detecting fast-burning fires; great for bedrooms and basements.
  • Photoelectric: best for detecting slow-burning fires; great for kitchens, bathrooms and hallways.

Power Source: Choose a battery-powered smoke detector if you want an easy-to-install option. Check and replace batteries every six months. Select a hardwired smoke detector if you don't want to worry about batteries.