Fire Sensor(160)
Uses item details. Price when purchased online
Rollback SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.3 pack From $116.79

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From$11679
SITERWELL Hardwired Smoke & Carbon Monoxide Detector Combo,10 Year Battery,UL217-9th,Interconnected,Bilingual Voice Alerts,6.1in*1.65in.3 pack
45 out of 5 Stars. 4 reviews
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs From $23.68

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From$2368
SITERWELL Smoke Detector, 10 Year Battery,Photoelectric Sensor, Fire Alarm,Low Battery,12 Packs
1874.4 out of 5 Stars. 187 reviews
X-Sense Smoke and Carbon Monoxide Detector Combo, 10-Year Battery, Standalone Alarm, Certified to Latest UL Standards, 5 PACK, SC06 From $43.19

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From$4319
X-Sense Smoke and Carbon Monoxide Detector Combo, 10-Year Battery, Standalone Alarm, Certified to Latest UL Standards, 5 PACK, SC06
5994.6 out of 5 Stars. 599 reviews
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 From $54.90

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From$5490
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
224.2 out of 5 Stars. 22 reviews
100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $19.88

2 options
Available in additional 2 optionsFrom$1988
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
7854.5 out of 5 Stars. 785 reviews
Smoke Alarm Detector Home Fire Safety Sensor Alert

Smoke Alarm Detector Home Fire Safety Sensor Alert
374.1 out of 5 Stars. 37 reviews
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
294.2 out of 5 Stars. 29 reviews
50+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88

2 options
Available in additional 2 optionsFrom$3688
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
2634.5 out of 5 Stars. 263 reviews
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
1474.5 out of 5 Stars. 147 reviews
(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup $69.88 $34.94/ea

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$6988
current price $69.88$34.94/ea
From $34.94
(2 pack) Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup
1184.3 out of 5 Stars. 118 reviews
SITERWELL Smoke Detector 10 Year Battery Operated, Photoelectric,85 Db,UL217-9th Standards,Rlectrochemical Sensors, Bilingual Voice Alerts,4 packs From $24.80

Sponsored
From$2480
SITERWELL Smoke Detector 10 Year Battery Operated, Photoelectric,85 Db,UL217-9th Standards,Rlectrochemical Sensors, Bilingual Voice Alerts,4 packs
144.9 out of 5 Stars. 14 reviews
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack From $24.80

3 options
Available in additional 3 optionsFrom$2480
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
144.9 out of 5 Stars. 14 reviews
SITERWELL Smoke Detector,Fire Alarm,Magnetic Fastening Kit, Smoke Alarm,Photoelectric Sensor ,Low Battery Warning Function for House, 2Packs From $18.56

9 options
Available in additional 9 optionsFrom$1856
SITERWELL Smoke Detector,Fire Alarm,Magnetic Fastening Kit, Smoke Alarm,Photoelectric Sensor ,Low Battery Warning Function for House, 2Packs
5374.4 out of 5 Stars. 537 reviews
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 $23.68

8 options
Available in additional 8 optionsFrom$2368
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
1874.4 out of 5 Stars. 187 reviews
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch From $29.21

2 options
Available in additional 2 optionsFrom$2921
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch
3644.1 out of 5 Stars. 364 reviews
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup From $35.97

2 options
Available in additional 2 optionsFrom$3597
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
2293.7 out of 5 Stars. 229 reviews
100+ 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
7464.5 out of 5 Stars. 746 reviews
Universal Security Instruments Sensing Plus AMIB3051SC Multi Criteria Bedroom Smoke & Fire Alarm

2 options
Available in additional 2 optionsUniversal Security Instruments Sensing Plus AMIB3051SC Multi Criteria Bedroom Smoke & Fire Alarm
504.5 out of 5 Stars. 50 reviews
Natural Gas Detector CH4, Combustible Gas Methane Alarm Battery Powered with Light & Audible Indicator,Gas Monitor Sensor for Home RV Kitchen Apartment Safety (Battery included) $39.99

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$3999
current price $39.99Natural Gas Detector CH4, Combustible Gas Methane Alarm Battery Powered with Light & Audible Indicator,Gas Monitor Sensor for Home RV Kitchen Apartment Safety (Battery included)
84.5 out of 5 Stars. 8 reviews
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup From $59.00

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From$5900
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup
894.3 out of 5 Stars. 89 reviews
Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required From $14.99
From$1499
Photoelectric Smoke Alarm Detector, Home Fire Safety Sensor Alert, 3V AA Battery Operated, No Wiring Required
Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack $25.49

$2549
current price $25.49Rely Essentials 4500 Smoke Alarm - Battery Operated Photoelectric Sensor Smoke Detector - Compact 4-Inch Design - Home Fire Protection - Easy Installation - 1 Pack
124.6 out of 5 Stars. 12 reviews
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
3244.4 out of 5 Stars. 324 reviews
First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece

First Alert 1046736, Battery Photoelectric Sensor Smoke Alarm 2 Piece
264.9 out of 5 Stars. 26 reviews
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
1184.3 out of 5 Stars. 118 reviews
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
1613.8 out of 5 Stars. 161 reviews
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup From $59.00

2 options
Available in additional 2 optionsFrom$5900
Universal Security Instruments, Sensing Plus, Hardwired, Combo Smoke, Fire & Carbon Monoxide Alarm, with 10-Year Battery Backup
894.3 out of 5 Stars. 89 reviews
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included From $29.21

2 options
Available in additional 2 optionsFrom$2921
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
1244.5 out of 5 Stars. 124 reviews
100+ bought since yesterday Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included From $38.97

Sponsored
From$3897
Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
7464.5 out of 5 Stars. 746 reviews
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts From $49.96

Sponsored
From$4996
Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice Alerts
3244.4 out of 5 Stars. 324 reviews
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack From $57.00

2 options
Available in additional 2 optionsFrom$5700
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack
714.6 out of 5 Stars. 71 reviews
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack From $26.21

9 options
Available in additional 9 optionsFrom$2621
SITERWELL Hardwired Interconnected Smoke Detector, Photoelectric Smoke Alarm with 9V Backup Battery, Fire Alarm with Test/Silence Button, ETL Listed, GS562A, 1 Pack
1314.4 out of 5 Stars. 131 reviews
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack From $65.00

2 options
Available in additional 2 optionsFrom$6500
Kidde 10-Year Sealed Lithium Battery-Operated Photoelectric Smoke Detector Alarm, 5-Inch, 2 Pack
1463.6 out of 5 Stars. 146 reviews
Photoelectric Smoke Alarm Detector 70dB LED Warning Fire Alarm with Batteries Easy Wall Ceiling Mount for Home Room Bedroom 40㎡ Protection From $14.42
From$1442
Photoelectric Smoke Alarm Detector 70dB LED Warning Fire Alarm with Batteries Easy Wall Ceiling Mount for Home Room Bedroom 40㎡ Protection
Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights $46.74

$4674
current price $46.74Kidde 10-Year Battery Smoke Detector, Voice Alerts & LED Warning Lights
154.4 out of 5 Stars. 15 reviews
Universal Security Instruments Battery, Smoke & Fire Alarm $17.97

$1797
current price $17.97Universal Security Instruments Battery, Smoke & Fire Alarm
134.3 out of 5 Stars. 13 reviews
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack From $57.91

2 options
Available in additional 2 optionsFrom$5791
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire & Carbon Monoxide Alarm, Multi-Criteria Detection, with 10-Year Battery, 4 Pack
254.5 out of 5 Stars. 25 reviews
Universal Security Instruments, Sensing Plus, Combo Smoke, Fire, and Carbon Monoxide Alarm, Multi-Criteria, with 10-Year Battery $57.91

$5791
current price $57.91Universal Security Instruments, Sensing Plus, Combo Smoke, Fire, and Carbon Monoxide Alarm, Multi-Criteria, with 10-Year Battery
204.7 out of 5 Stars. 20 reviews
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
4174.2 out of 5 Stars. 417 reviews
Rely 5300-2-in-1 Smoke & Carbon Monoxide Detector - Battery-Operated with Siren, Voice Alerts and LED Lights - Fire & CO Protection - 1 Pack $47.99

$4799
current price $47.99Rely 5300-2-in-1 Smoke & Carbon Monoxide Detector - Battery-Operated with Siren, Voice Alerts and LED Lights - Fire & CO Protection - 1 Pack
124.8 out of 5 Stars. 12 reviews
First Alert Dual Sensor Smoke Alarm with 10-Year Sealed Battery, 1 pk $64.99

$6499
current price $64.99First Alert Dual Sensor Smoke Alarm with 10-Year Sealed Battery, 1 pk
First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery
4874.5 out of 5 Stars. 487 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
2114.6 out of 5 Stars. 211 reviews
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $24.99 Was $29.00

Now$2499
current price Now $24.99, Was $29.00$29.00
BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector
1394.7 out of 5 Stars. 139 reviews
Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack $25.49

$2549
current price $25.49Rely Essentials 5500 Smoke Detector - 10 Year Sealed Battery - Photoelectric Sensor Smoke Detector - Compact 4-Inch Design- Home Fire Protection - Easy Installation - 1 Pack
124.8 out of 5 Stars. 12 reviews
Rely RealAlerts 10-Year Battery Smoke Alarm with Voice Alerts and LED Warning, 1 Pack $44.99

$4499
current price $44.99Rely RealAlerts 10-Year Battery Smoke Alarm with Voice Alerts and LED Warning, 1 Pack
64.7 out of 5 Stars. 6 reviews
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 From $45.99

2 options
Available in additional 2 optionsFrom$4599
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
424.4 out of 5 Stars. 42 reviews
Applicable to Ring WiFi Fire Alarm Sensor for Tuya Plug-In Gas $29.55

$2955
current price $29.55Applicable to Ring WiFi Fire Alarm Sensor for Tuya Plug-In Gas
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