Smoke & (CO) Carbon Monoxide Alarms in Detectors(59)
Uses item details. Price when purchased online
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack $54.95
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$5495
current price $54.95Options from $51.99
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
64 out of 5 Stars. 6 reviews
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Overall pick Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included $38.97
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3 options
Available in additional 3 options$3897
current price $38.97Options from $38.97 – $116.91
Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
5864.4 out of 5 Stars. 586 reviews
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First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector $42.80 Was $56.10
Now$4280
current price Now $42.80, Was $56.10$56.10
First Alert Slim Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector
224.5 out of 5 Stars. 22 reviews
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Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts $49.96
2 options
Available in additional 2 options$4996
current price $49.96Options from $49.96 – $89.94
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
2584.5 out of 5 Stars. 258 reviews
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SITERWELL Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery, UL217-9th, Reduced Nuisance, Bilingual Voice Alerts,6.1in*1.65in,1 pack $46.99
3 options
Available in additional 3 options$4699
current price $46.99Options from $46.99 – $129.99
SITERWELL Smoke Detector Carbon Monoxide Detector Combo 10 Year Battery, UL217-9th, Reduced Nuisance, Bilingual Voice Alerts,6.1in*1.65in,1 pack
304.6 out of 5 Stars. 30 reviews
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(2 pack) Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch $96.00 Was $130.00 $48.00/ea
2 options
Available in additional 2 optionsNow$9600
current price Now $96.00, Was $130.00$130.00
$48.00/ea
Options from $65.00
(2 pack) Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch
2324.4 out of 5 Stars. 232 reviews
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First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector $48.99
$4899
current price $48.99First Alert 10 Year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector
534.6 out of 5 Stars. 53 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
1054.4 out of 5 Stars. 105 reviews
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Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector $60.00
2 options
Available in additional 2 options$6000
current price $60.00Options from $60.00 – $106.00
Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide Detector
3604.1 out of 5 Stars. 360 reviews
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First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup - 3 Pack $144.99
4 options
Available in additional 4 options$14499
current price $144.99Options from $51.99
First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup - 3 Pack
64 out of 5 Stars. 6 reviews
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First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery $39.99
$3999
current price $39.99First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery
4754.5 out of 5 Stars. 475 reviews
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Carbon Monoxide and Smoke Alarm, 2 in 1 LCD Display Battery Operated CO Alarm with LED Light Flashing Sound Warning for Home Office Factory $21.91
$2191
current price $21.91Carbon Monoxide and Smoke Alarm, 2 in 1 LCD Display Battery Operated CO Alarm with LED Light Flashing Sound Warning for Home Office Factory
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Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included $49.97
2 options
Available in additional 2 options$4997
current price $49.97Options from $49.97 – $94.97
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries Included
1834.6 out of 5 Stars. 183 reviews
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First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization $45.24
$4524
current price $45.24First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization
554.3 out of 5 Stars. 55 reviews
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Best seller X-Sense 2-in-1 Smoke and Carbon Monoxide Alarm with Display, 10-Year Battery, Standalone Model, SC07, 1-Pack $35.99
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2 options
Available in additional 2 options$3599
current price $35.99Options from $35.99 – $259.99
X-Sense 2-in-1 Smoke and Carbon Monoxide Alarm with Display, 10-Year Battery, Standalone Model, SC07, 1-Pack
224.8 out of 5 Stars. 22 reviews
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SITERWELL Smoke and Carbon Monoxide Detector 10-Year Battery, Wireless Interconnected Smoke Alarm Carbon Monoxide Detector with Dual Language Voice Alerts for Home and Babyroom, 1 Pack $49.99
2 options
Available in additional 2 options$4999
current price $49.99Options from $49.99 – $99.99
SITERWELL Smoke and Carbon Monoxide Detector 10-Year Battery, Wireless Interconnected Smoke Alarm Carbon Monoxide Detector with Dual Language Voice Alerts for Home and Babyroom, 1 Pack
224.6 out of 5 Stars. 22 reviews
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Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value Pack $58.00
2 options
Available in additional 2 options$5800
current price $58.00Options from $58.00 – $116.00
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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Kidde 10 Year Smoke Alarm and Carbon Monoxide Value Pack, Models i1040 and KN-COB-LP2 $38.47
$3847
current price $38.47Kidde 10 Year Smoke Alarm and Carbon Monoxide Value Pack, Models i1040 and KN-COB-LP2
844.7 out of 5 Stars. 84 reviews
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First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795PT $36.99 $78.70/ea
$3699
current price $36.99$78.70/ea
First Alert SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts, 1046795PT
15 out of 5 Stars. 1 reviews
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Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup $59.00
2 options
Available in additional 2 options$5900
current price $59.00Options from $59.00 – $118.00
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup
674.4 out of 5 Stars. 67 reviews
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First Alert Battery-Powered Photoelectric Smoke and Carbon Monoxide Combination Pack $46.87
$4687
current price $46.87First Alert Battery-Powered Photoelectric Smoke and Carbon Monoxide Combination Pack
244.8 out of 5 Stars. 24 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
853.6 out of 5 Stars. 85 reviews
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First Alert BRK Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 3-Pack $111.84
$11184
current price $111.84First Alert BRK Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 3-Pack
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First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization $56.99
$5699
current price $56.99First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
1104.2 out of 5 Stars. 110 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 $34.99
4 options
Available in additional 4 options$3499
current price $34.99Options from $34.99 – $99.99
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
104.1 out of 5 Stars. 10 reviews
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BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector $54.99 Was $64.00
Now$5499
current price Now $54.99, Was $64.00$64.00
BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector
604.4 out of 5 Stars. 60 reviews
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First Alert BRK, SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 12-Pack $396.95
$39695
current price $396.95First Alert BRK, SMICO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 12-Pack
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First Alert BRK, Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack $43.99
$4399
current price $43.99First Alert BRK, Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMICO100, 1-Pack
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Kidde Kitchen Combination Smoke Carbon Monoxide Alarm 10-Year Lithium Battery $51.00
$5100
current price $51.00Kidde Kitchen Combination Smoke Carbon Monoxide Alarm 10-Year Lithium Battery
1833.2 out of 5 Stars. 183 reviews
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Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack $58.00
2 options
Available in additional 2 options$5800
current price $58.00Options from $58.00 – $232.00
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack
224.5 out of 5 Stars. 22 reviews
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First Alert BRK Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack $144.95
$14495
current price $144.95First Alert BRK Hardwire Combination Smoke & Carbon Monoxide Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack
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BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector $42.99
$4299
current price $42.99BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector
25 out of 5 Stars. 2 reviews
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First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup $82.99
$8299
current price $82.99First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup
3264.6 out of 5 Stars. 326 reviews
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First Alert Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up SC9120B 6 PACK $449.99
$44999
current price $449.99First Alert Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up SC9120B 6 PACK
184.3 out of 5 Stars. 18 reviews
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First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup $159.95
$15995
current price $159.95First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup
544.9 out of 5 Stars. 54 reviews
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First Alert SC9120B Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up 2 Pack $159.99
$15999
current price $159.99First Alert SC9120B Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up 2 Pack
284.4 out of 5 Stars. 28 reviews
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First Alert BRK, SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack $157.99
$15799
current price $157.99First Alert BRK, SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack
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SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 3 Pack $120.99
3 options
Available in additional 3 options$12099
current price $120.99Options from $45.99
SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 3 Pack
244.4 out of 5 Stars. 24 reviews
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Ademco 5050065 First Alert 10 Year Hard-Wired with Battery Back-Up Ionization Smoke & Carbon Monoxide Detector $68.99
$6899
current price $68.99Ademco 5050065 First Alert 10 Year Hard-Wired with Battery Back-Up Ionization Smoke & Carbon Monoxide Detector
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SITERWELL Hardwired Interconnected Smoke and Carbon Monoxide Detector, 10 Year Product Life Alarm Smoke Carbon Monoxide Detector with 2 AA Batteries Back Up, Smoke and CO Detector Voice Alert,1 Pack $49.99
3 options
Available in additional 3 options$4999
current price $49.99Options from $49.99 – $187.16
SITERWELL Hardwired Interconnected Smoke and Carbon Monoxide Detector, 10 Year Product Life Alarm Smoke Carbon Monoxide Detector with 2 AA Batteries Back Up, Smoke and CO Detector Voice Alert,1 Pack
124.2 out of 5 Stars. 12 reviews
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Kidde AA Alkaline Batteries, for Smoke and Carbon Monoxide Detectors, 4 pack $6.97 $1.74/ea
$697
current price $6.97$1.74/ea
Kidde AA Alkaline Batteries, for Smoke and Carbon Monoxide Detectors, 4 pack
15 out of 5 Stars. 1 reviews
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