Smoke Detectors in Safety Detectors

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

Overall pick
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Available in additional 2 options
$1988Options from $19.88 – $35.78
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
4.5 out of 5 Stars. 863 reviews
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100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack

100+ bought since yesterday
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
Available in additional 2 options
$3688$18.44/eaOptions from $36.88 – $147.52
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
4.6 out of 5 Stars. 314 reviews
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50+ bought since yesterday First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT

50+ bought since yesterday
First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT
$1699$28.80/ea
First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT
4.6 out of 5 Stars. 187 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, 8 Packs

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, 8 Packs
Available in additional 8 options
$13599Options from $46.34
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, 8 Packs
4.4 out of 5 Stars. 215 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

SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
Sponsored
$2899Options from $28.99 – $76.15
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
4.5 out of 5 Stars. 33 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

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
$7484Options from $37.10
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. 582 reviews
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Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack

Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack
Sponsored
$2549
Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack
4.7 out of 5 Stars. 15 reviews
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Rely Essentials 5400 Smoke Alarm – Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install – 1 Pack

Rely Essentials 5400 Smoke Alarm – Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install – 1 Pack
Sponsored
$2999
Rely Essentials 5400 Smoke Alarm – Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install – 1 Pack
4.8 out of 5 Stars. 12 reviews
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50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch

50+ bought since yesterday
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Available in additional 2 options
$2921Options from $29.21 – $62.94
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
4.1 out of 5 Stars. 397 reviews
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 12 Pack

SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 12 Pack
Available in additional 8 options
$12350Options from $37.10
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 12 Pack
4.4 out of 5 Stars. 582 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

Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack
Sponsored
$2549
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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Rely 7600 Hardwired Smoke Detector with Battery Backup, Interconnected AC Powered Alarm, Photoelectric Sensor, RealAlerts Voice & LED Warning System, 1-Pack

Rely 7600 Hardwired Smoke Detector with Battery Backup, Interconnected AC Powered Alarm, Photoelectric Sensor, RealAlerts Voice & LED Warning System, 1-Pack
Sponsored
$5299
Rely 7600 Hardwired Smoke Detector with Battery Backup, Interconnected AC Powered Alarm, Photoelectric Sensor, RealAlerts Voice & LED Warning System, 1-Pack
5 out of 5 Stars. 6 reviews
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BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector

BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
Now$1897$29.13You save$10.16
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
4.7 out of 5 Stars. 148 reviews
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Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery

Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery
$2797
Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery
4.6 out of 5 Stars. 181 reviews
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First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup

First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
$2424
First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
4.7 out of 5 Stars. 78 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Available in additional 2 options
$4444Options from $44.44 – $88.88
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
3.7 out of 5 Stars. 240 reviews
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Smoke Alarm Detector Home Fire Safety Sensor Alert

Smoke Alarm Detector Home Fire Safety Sensor Alert
$1162
Smoke Alarm Detector Home Fire Safety Sensor Alert
4.2 out of 5 Stars. 53 reviews
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2PCS Smoke Alarm Detector Home Safety Sensor Alert

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
$1779Options from $12.99
2PCS Smoke Alarm Detector Home Safety Sensor Alert
4.1 out of 5 Stars. 80 reviews
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Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector

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
$1299
Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
4.5 out of 5 Stars. 49 reviews
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4 Pack Smoke Detector Home Security Sensor Alert Alarm

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
$3199Options from $13.39
4 Pack Smoke Detector Home Security Sensor Alert Alarm
4.1 out of 5 Stars. 15 reviews
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Overall pick Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included

Overall pick
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
Sponsored
$1988Options from $19.88 – $35.78
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
4.5 out of 5 Stars. 863 reviews
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Delivery as soon as 6amShipping, arrives todayPickup as soon as 7am
Low stock

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

50+ bought since yesterday
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
Sponsored
$2921Options from $29.21 – $62.94
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
4.1 out of 5 Stars. 397 reviews
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First Alert 1046834, Electric Precision Detection Smoke Alarms

First Alert 1046834, Electric Precision Detection Smoke Alarms
$2484
First Alert 1046834, Electric Precision Detection Smoke Alarms
4.5 out of 5 Stars. 108 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

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
$2899Options from $28.99 – $76.15
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
4.5 out of 5 Stars. 33 reviews
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X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, 3-Pack

X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, 3-Pack
Available in additional 2 options
Now$4599$79.99You save$34.00Options from $15.99
X-Sense Smoke Alarm, 10-Year Battery Fire Alarm Smoke Detector with LED Indicator & Silence Button, 3-Pack
4.5 out of 5 Stars. 716 reviews
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Kidde 20SDR Battery-Operated Photoelectric Smoke Detector

Kidde 20SDR Battery-Operated Photoelectric Smoke Detector
Available in additional 2 options
$2921Options from $29.21 – $54.00
Kidde 20SDR Battery-Operated Photoelectric Smoke Detector
4.5 out of 5 Stars. 131 reviews
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
$4997
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
4.5 out of 5 Stars. 67 reviews
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Free shipping, arrives Sun, Jul 26
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First Alert 1046856, 10 Year Battery Ionization Smoke Alarm

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
$2400
First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
4.5 out of 5 Stars. 74 reviews
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First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK

First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK
Now$12243$139.99You save$17.56
First Alert Hardwired Smoke Alarm with Battery Backup 6 PACK
4.7 out of 5 Stars. 41 reviews
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Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup

Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
Available in additional 2 options
$3494Options 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. 128 reviews
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100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack

100+ bought since yesterday
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
Sponsored
$3688$18.44/eaOptions from $36.88 – $147.52
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
4.6 out of 5 Stars. 314 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup

Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
Sponsored
$4444Options from $44.44 – $88.88
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
3.7 out of 5 Stars. 240 reviews
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X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm with LED Indicator, 1-Pack

X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm with LED Indicator, 1-Pack
Available in additional 3 options
Now$1599$27.99You save$12.00Options from $15.99 – $72.99
X-Sense Smoke Alarm, 10-Year Battery Life Fire Alarm with LED Indicator, 1-Pack
4.6 out of 5 Stars. 420 reviews
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First Alert Low Profile Photoelectric Smoke/Co Combo Alarm, Tamper Proof, 10-Year Sealed Lithium Battery

First Alert Low Profile Photoelectric Smoke/Co Combo Alarm, Tamper Proof, 10-Year Sealed Lithium Battery
Now$5799$65.57You save$7.58
First Alert Low Profile Photoelectric Smoke/Co Combo Alarm, Tamper Proof, 10-Year Sealed Lithium Battery
4.3 out of 5 Stars. 15 reviews
Free shipping, arrives Mon, Jul 27

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

Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights
$4674
Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights
4.4 out of 5 Stars. 20 reviews
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Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack

Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack
$2549
Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack
4.7 out of 5 Stars. 15 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack

Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack
Available in additional 2 options
$6500$32.50/eaOptions 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. 153 reviews
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First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747

First Alert SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light and Slim Profile, 1046747
$4105
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 Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
Available in additional 2 options
$3484Options from $34.84 – $63.00
Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
3.8 out of 5 Stars. 168 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

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
$7827Options from $27.17
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 4 Packs
4.4 out of 5 Stars. 148 reviews
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First Alert SMI100-AC Hardwire Interconnect Smoke Detector with Battery Backup, 6-Pack

First Alert SMI100-AC Hardwire Interconnect Smoke Detector with Battery Backup, 6-Pack
$10469
First Alert SMI100-AC Hardwire Interconnect Smoke Detector with Battery Backup, 6-Pack
4.3 out of 5 Stars. 6 reviews
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BRK Battery-Powered Ionization Smoke Detector

BRK Battery-Powered Ionization Smoke Detector
$1995
BRK Battery-Powered Ionization Smoke Detector
4.3 out of 5 Stars. 23 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
$9359
First Alert BRK SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack
4.4 out of 5 Stars. 40 reviews
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Free shipping, arrives Sun, Jul 26

Rely Essentials 5400 Smoke Alarm Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install 1 Pack

Rely Essentials 5400 Smoke Alarm  Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install  1 Pack
$2999
Rely Essentials 5400 Smoke Alarm Hardwired AC Powered with Battery Backup - Photoelectric Smoke Detector - Interconnect, Easy Install 1 Pack
4.8 out of 5 Stars. 12 reviews
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First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK

First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK
$8341
First Alert Hardwired Smoke Alarm with Battery Backup 4 PACK
4.4 out of 5 Stars. 32 reviews
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Smoke Alarm Detector

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
$1339
Smoke Alarm Detector
3.7 out of 5 Stars. 7 reviews
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First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
$4799
First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
4.2 out of 5 Stars. 127 reviews
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector

First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector
$3490
First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector
4.5 out of 5 Stars. 23 reviews
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Shipping, arrives Mon, Jul 27

12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert

12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
With Battery-White A, variant on 12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
With Battery-White B, variant on 12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
Without Battery-White C, variant on 12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
Without Battery-White D, variant on 12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
$12099Options from $120.99 – $213.99
12 Pack Smoke Alarm Detector Home Fire Safety Sensor Alert
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About Smoke Detectors in Safety Detectors - 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.