Ionization Detectors(21)
Uses item details. Price when purchased online
Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch From $65.00
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From$6500
Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch
3194.4 out of 5 Stars. 319 reviews
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Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch From $34.84
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From$3484
Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch
1633.8 out of 5 Stars. 163 reviews
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Rely 7400 2-in-1 Smoke & Carbon Monoxide Detector — Hardwired AC Powered with Battery Backup - RealAlerts Voice & LED Warning System - Photoelectric Smoke and CO Detector - Interconnect - 1 Pack $69.99
Sponsored
$6999
current price $69.99Rely 7400 2-in-1 Smoke & Carbon Monoxide Detector — Hardwired AC Powered with Battery Backup - RealAlerts Voice & LED Warning System - Photoelectric Smoke and CO Detector - Interconnect - 1 Pack
95 out of 5 Stars. 9 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 $24.80
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From$2480
SITERWELL Smoke Detector 10 Year Battery Operated,Photoelectric,Rlectrochemical Sensors, Fire Alarm,Bilingual Voice Alerts, UL217-9th Standards,1 Pack
254.7 out of 5 Stars. 25 reviews
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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
1454.7 out of 5 Stars. 145 reviews
First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization $49.51
$4951
current price $49.51First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization
1244.2 out of 5 Stars. 124 reviews
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First Alert 1046856, 10 Year Battery Ionization Smoke Alarm $24.59
$2459
current price $24.59First Alert 1046856, 10 Year Battery Ionization Smoke Alarm
694.5 out of 5 Stars. 69 reviews
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BRK Battery-Powered Ionization Smoke Detector $19.95
$1995
current price $19.95BRK Battery-Powered Ionization Smoke Detector
234.3 out of 5 Stars. 23 reviews
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First Alert PRC710, Battery-Powered Ionization Smoke Alarms $21.99
$2199
current price $21.99First Alert PRC710, Battery-Powered Ionization Smoke Alarms
274.6 out of 5 Stars. 27 reviews
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BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm $36.99
$3699
current price $36.99BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm
94.6 out of 5 Stars. 9 reviews
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup From $35.97
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From$3597
Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery Backup
2343.7 out of 5 Stars. 234 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included From $29.97
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From$2997
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included
1264.5 out of 5 Stars. 126 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
3424.6 out of 5 Stars. 342 reviews
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BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector $35.99 Was $44.00
Now$3599
current price Now $35.99, Was $44.00$44.00
BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector
94.9 out of 5 Stars. 9 reviews
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USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels $99.99
$9999
current price $99.99USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels
474.3 out of 5 Stars. 47 reviews
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BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector Was $64.00
BRK Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detector
674.4 out of 5 Stars. 67 reviews
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First Alert FG250B Battery Operated Smoke Alarm, Dual Ionization, 85 dB
First Alert FG250B Battery Operated Smoke Alarm, Dual Ionization, 85 dB
474.4 out of 5 Stars. 47 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 From $19.52
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From$1952
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
5584.4 out of 5 Stars. 558 reviews
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100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included From $19.88
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From$1988
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-Inch, Batteries Included
8144.5 out of 5 Stars. 814 reviews
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Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack From $57.00
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From$5700
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 Pack
754.6 out of 5 Stars. 75 reviews
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100+ bought since yesterday Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack From $36.88
Sponsored
From$3688
Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 4-inch, Batteries Included, 2 Pack
2814.5 out of 5 Stars. 281 reviews
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Other options to consider(27)
ERICKHILL EMF Meter, Rechargeable, Digital LCD, Radiation Detector with Buzzer Alarm, Blue $39.99 $62.48/lb
$3999
current price $39.99$62.48/lb
ERICKHILL EMF Meter, Rechargeable, Digital LCD, Radiation Detector with Buzzer Alarm, Blue
35 out of 5 Stars. 3 reviews
Clearance Inkbird Radon Detector, Alpha Spectrometer Sensor, Battery Powered Radon Level Indicator $109.99 Was $139.99
Now$10999
current price Now $109.99, Was $139.99$139.99
Inkbird Radon Detector, Alpha Spectrometer Sensor, Battery Powered Radon Level Indicator
54 out of 5 Stars. 5 reviews
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Best seller Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L $89.99
$8999
current price $89.99Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
1164.3 out of 5 Stars. 116 reviews
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KONTONTY Compact Radiation Detector Black for Precise Magnetic and Electric Field Monitoring
KONTONTY Compact Radiation Detector Black for Precise Magnetic and Electric Field Monitoring
VEVOR Radon Detector for Home, 3.3Bq to 37kBq/m, Radon Meter, Portable Battery Powered Radon & Air Quality Monitor, Color Display,Long-Term Radon Concentration Monitoring,Rechargeable or Wired Use $83.99
$8399
current price $83.99VEVOR Radon Detector for Home, 3.3Bq to 37kBq/m, Radon Meter, Portable Battery Powered Radon & Air Quality Monitor, Color Display,Long-Term Radon Concentration Monitoring,Rechargeable or Wired Use
14 out of 5 Stars. 1 reviews
Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L $125.00
$12500
current price $125.00Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
35 out of 5 Stars. 3 reviews
First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400 , 1046718 $55.99
$5599
current price $55.99First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400 , 1046718
11 out of 5 Stars. 1 reviews
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Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM From $27.94
3 options
Available in additional 3 optionsFrom$2794
Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM
7544.6 out of 5 Stars. 754 reviews
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Rely 7400 2-in-1 Smoke & Carbon Monoxide Detector Hardwired AC Powered with Battery Backup - RealAlerts Voice & LED Warning System - Photoelectric Smoke and CO Detector - Interconnect - 1 Pack $69.99
$6999
current price $69.99Rely 7400 2-in-1 Smoke & Carbon Monoxide Detector Hardwired AC Powered with Battery Backup - RealAlerts Voice & LED Warning System - Photoelectric Smoke and CO Detector - Interconnect - 1 Pack
95 out of 5 Stars. 9 reviews
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Elowen Oxygen Detector Meter Oxygen Detector Meter, Buzzer Light Alarm Handheld Excellent Repeatability O2 Detector High Accuracy Sensitivity Short Response Clear Display for Home $122.87
$12287
current price $122.87Elowen Oxygen Detector Meter Oxygen Detector Meter, Buzzer Light Alarm Handheld Excellent Repeatability O2 Detector High Accuracy Sensitivity Short Response Clear Display for Home
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
1633.8 out of 5 Stars. 163 reviews
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BRK Battery-Powered Electrochemical Carbon Monoxide Detector $121.84
$12184
current price $121.84BRK Battery-Powered Electrochemical Carbon Monoxide Detector
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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
4904.4 out of 5 Stars. 490 reviews
100+ bought since yesterday Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5-LP3 $23.44
$2344
current price $23.44Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5-LP3
5684.6 out of 5 Stars. 568 reviews
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Rely Essentials 6200 Plug-in Carbon Monoxide Detector, CO Alarm with Battery Backup and Digital Display, 1-Pack $39.99
$3999
current price $39.99Rely Essentials 6200 Plug-in Carbon Monoxide Detector, CO Alarm with Battery Backup and Digital Display, 1-Pack
154.6 out of 5 Stars. 15 reviews
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Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery Backup From $51.00
3 options
Available in additional 3 optionsFrom$5100
Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery Backup
1904 out of 5 Stars. 190 reviews
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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
3194.4 out of 5 Stars. 319 reviews
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Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power From $41.97
2 options
Available in additional 2 optionsFrom$4197
Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power
4044.1 out of 5 Stars. 404 reviews
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100+ bought since yesterday Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators From $27.47
3 options
Available in additional 3 optionsFrom$2747
Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators
18354.7 out of 5 Stars. 1835 reviews
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Popular in Ionization Detectors
- Carbon Monoxide Detector Handheld
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