Smoke Detectors(182)
Uses item details. Price when purchased online
50+ bought since yesterday Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch From $65.00

2 options
Available in additional 2 optionsFrom$6500
Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch
2464.4 out of 5 Stars. 246 reviews
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Overall pick Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $18.99

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Available in additional 2 optionsFrom$1899
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
5984.4 out of 5 Stars. 598 reviews
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50+ bought since yesterday First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT $16.99 $28.80/ea

$1699
current price $16.99$28.80/ea
First Alert SMI100 Battery-Operated Smoke Alarm, 1046827PT
834.5 out of 5 Stars. 83 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

$2797
current price $27.97Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery
834.5 out of 5 Stars. 83 reviews
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In 25+ people's carts X-Sense Smoke and Carbon Monoxide Alarm Combo, 10-Year Battery Powered Detector, UL 217 & UL 2034 Certified, SC07, 1-Pack From $29.99

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Available in additional 2 optionsFrom$2999
X-Sense Smoke and Carbon Monoxide Alarm Combo, 10-Year Battery Powered Detector, UL 217 & UL 2034 Certified, SC07, 1-Pack
184.6 out of 5 Stars. 18 reviews
50+ bought since yesterday Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included From $38.97

3 options
Available in additional 3 optionsFrom$3897
Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
6194.5 out of 5 Stars. 619 reviews
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50+ bought since yesterday Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch From $29.22

2 options
Available in additional 2 optionsFrom$2922
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
2914 out of 5 Stars. 291 reviews
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BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $19.25 Was $29.00

Now$1925
current price Now $19.25, Was $29.00$29.00
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
884.6 out of 5 Stars. 88 reviews
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First Alert SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm with Slim Profile, 1046796 $39.40

$3940
current price $39.40First Alert SMCO210 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm with Slim Profile, 1046796
1144.4 out of 5 Stars. 114 reviews
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X-Sense Smoke and Carbon Monoxide Detector Combo, 10-Year Battery, Wireless Interconnected Alarm, UL Listed, SC06, 1-PACK From $29.99

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Available in additional 2 optionsFrom$2999
X-Sense Smoke and Carbon Monoxide Detector Combo, 10-Year Battery, Wireless Interconnected Alarm, UL Listed, SC06, 1-PACK
2PCS Smoke Alarm Detector Home Safety Sensor Alert From $17.79
From$1779
2PCS Smoke Alarm Detector Home Safety Sensor Alert
34.7 out of 5 Stars. 3 reviews
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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $26.09

9 options
Available in additional 9 optionsFrom$2609
SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack
4284.4 out of 5 Stars. 428 reviews
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First Alert 1046834, Electric Precision Detection Smoke Alarms $24.84 Was $33.00

Now$2484
current price Now $24.84, Was $33.00$33.00
First Alert 1046834, Electric Precision Detection Smoke Alarms
854.6 out of 5 Stars. 85 reviews
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Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts From $49.96

2 options
Available in additional 2 optionsFrom$4996
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
2754.5 out of 5 Stars. 275 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88

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Available in additional 2 optionsFrom$3688
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
2104.5 out of 5 Stars. 210 reviews
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First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector $44.98

$4498
current price $44.98First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector
584.7 out of 5 Stars. 58 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup From $35.97

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Available in additional 2 optionsFrom$3597
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
2053.6 out of 5 Stars. 205 reviews
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First Alert 1046856, 10 Year Battery Ionization Smoke Alarm $24.59 Was $28.00

Now$2459
current price Now $24.59, Was $28.00$28.00
First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
454.5 out of 5 Stars. 45 reviews
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Plug-In CO Alarm $23.99

$2399
current price $23.99Plug-In CO Alarm
1664.5 out of 5 Stars. 166 reviews
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SITERWELL Smoke Detector, 10 Year Battery ,Photoelectric Sensor, Fire Alarm,Low Battery and Fault Warning for House and Bedroom, UL217-9th Listed, GS525A, 1 Packs From $25.99

8 options
Available in additional 8 optionsFrom$2599
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
1204.4 out of 5 Stars. 120 reviews
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Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector From $12.99
From$1299
Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector
35 out of 5 Stars. 3 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector From $60.00

2 options
Available in additional 2 optionsFrom$6000
Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector
3754.2 out of 5 Stars. 375 reviews
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Kidde Hardwired Interconnectable Smoke and Carbon Monoxide Detector with AA Battery Backup and Voice Alerts $53.00

$5300
current price $53.00Kidde Hardwired Interconnectable Smoke and Carbon Monoxide Detector with AA Battery Backup and Voice Alerts
903.7 out of 5 Stars. 90 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, 2 Packs From $19.19

9 options
Available in additional 9 optionsFrom$1919
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL-9th Listed, GS562A, 2 Packs
964.5 out of 5 Stars. 96 reviews
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Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm $32.94

$3294
current price $32.94Worry Free 10-Year Living Area Sealed Lithium Battery Operated Smoke Alarm
1231.6 out of 5 Stars. 123 reviews
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First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack From $52.99

4 options
Available in additional 4 optionsFrom$5299
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
93.9 out of 5 Stars. 9 reviews
First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup
3294.6 out of 5 Stars. 329 reviews
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included From $49.97

2 options
Available in additional 2 optionsFrom$4997
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included
1904.6 out of 5 Stars. 190 reviews
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Kidde Smoke Detector, Lithium Battery Powered with Photoelectric Sensor, Smoke Alarm, 2-Pack $33.00

$3300
current price $33.00Kidde Smoke Detector, Lithium Battery Powered with Photoelectric Sensor, Smoke Alarm, 2-Pack
881.1 out of 5 Stars. 88 reviews
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup $20.09 Was $24.95

Now$2009
current price Now $20.09, Was $24.95$24.95
First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
394.8 out of 5 Stars. 39 reviews
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack $51.08

$5108
current price $51.08First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-Pack
284.3 out of 5 Stars. 28 reviews
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Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE From $49.94

2 options
Available in additional 2 optionsFrom$4994
Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE
724.5 out of 5 Stars. 72 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

2 options
Available in additional 2 optionsFrom$3494
Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
1014.3 out of 5 Stars. 101 reviews
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First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector $39.95 Was $56.10

Now$3995
current price Now $39.95, Was $56.10$56.10
First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector
234.5 out of 5 Stars. 23 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included From $29.22

2 options
Available in additional 2 optionsFrom$2922
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
1094.4 out of 5 Stars. 109 reviews
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Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE From $27.94

2 options
Available in additional 2 optionsFrom$2794
Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE
604.4 out of 5 Stars. 60 reviews
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Smoke and Carbon Monoxide Detector Combo - CO & Smoke Alarm System with Hush Function, Self-Test Button, 10-Year Built-in Battery - Easy to Install, for Home & Office From $34.99

4 options
Available in additional 4 optionsFrom$3499
Smoke and Carbon Monoxide Detector Combo - CO & Smoke Alarm System with Hush Function, Self-Test Button, 10-Year Built-in Battery - Easy to Install, for Home & Office
164.4 out of 5 Stars. 16 reviews
Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack From $58.00

2 options
Available in additional 2 optionsFrom$5800
Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack
1193.3 out of 5 Stars. 119 reviews
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SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $23.24

3 options
Available in additional 3 optionsFrom$2324
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
64.8 out of 5 Stars. 6 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch From $34.84

2 options
Available in additional 2 optionsFrom$3484
Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
1453.7 out of 5 Stars. 145 reviews
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