Ionization Detectors

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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack From $26.09

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SITERWELL Smoke Detector, Magnetic Fastening Kit, Smoke Alarm, Photoelectric ,Low Battery Warning Function, 1 Pack

4.4 out of 5 Stars. 428 reviews

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BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector $19.25 Was $29.00

current price Now $19.25, Was $29.00

BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector

4.6 out of 5 Stars. 86 reviews

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First Alert BRK SC9120B 85-Decibel Ionization Hardwired Smoke and Electrochemical Carbon Monoxide Detector with Battery Backup

4.6 out of 5 Stars. 329 reviews

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm $24.59 Was $28.00

current price Now $24.59, Was $28.00

First Alert 1046856, 10 Year Battery Ionization Smoke Alarm

4.5 out of 5 Stars. 44 reviews

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First Alert PRC710, Battery-Powered Ionization Smoke Alarms $21.99

current price $21.99

First Alert PRC710, Battery-Powered Ionization Smoke Alarms

4.6 out of 5 Stars. 24 reviews

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Reduced price BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector $35.25 Was $44.00

current price Now $35.25, Was $44.00

BRK Battery-Powered Ionization Smoke and Carbon Monoxide Detector

5 out of 5 Stars. 3 reviews

BRK Battery-Powered Ionization Smoke Detector $19.95

current price $19.95

BRK Battery-Powered Ionization Smoke Detector

4.2 out of 5 Stars. 10 reviews

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First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization $42.99 Was $52.70

current price Now $42.99, Was $52.70

First Alert SMICO100-AC Interconnect Hardwire 2-in-1 Smoke and CO Alarm with Battery Backup, Ionization

4.2 out of 5 Stars. 114 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

4.4 out of 5 Stars. 61 reviews

First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization $46.47

current price $46.47

First Alert SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization

4.2 out of 5 Stars. 57 reviews

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Ademco 5050065 First Alert 10 Year Hard-Wired with Battery Back-Up Ionization Smoke & Carbon Monoxide Detector $68.99

current price $68.99

Ademco 5050065 First Alert 10 Year Hard-Wired with Battery Back-Up Ionization Smoke & Carbon Monoxide Detector

BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm $21.99

current price $21.99

BRK fg250b, Battery Dual Ionization Sensor Smoke Alarm

5 out of 5 Stars. 3 reviews

Kidde Worry-Free Battery-Powered Electrochemical/Ionization/Photoelectric Smoke and Carbon Monoxide Detector $51.00

current price $51.00

Kidde Worry-Free Battery-Powered Electrochemical/Ionization/Photoelectric Smoke and Carbon Monoxide Detector

1.3 out of 5 Stars. 145 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

current price $99.99

USI 3-in-1 Smoke, Photoelectric and Ionization Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery, 85 Decibels

4.3 out of 5 Stars. 47 reviews

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First Alert BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

4.4 out of 5 Stars. 41 reviews

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Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery $27.97

current price $27.97

Universal Security Instruments Inc Sensing Plus, Smoke and Fire Alarm, Multi-Criteria Detection, with 10 Year Sealed Battery

4.5 out of 5 Stars. 82 reviews

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Clarifion - Negative Ion Generator with Highest Output (6 Units) Filterless Mobile Ionizer, Plug in, Eliminates: Smoke, Viruses, Allergens & More $145.00

current price $145.00

Clarifion - Negative Ion Generator with Highest Output (6 Units) Filterless Mobile Ionizer, Plug in, Eliminates: Smoke, Viruses, Allergens & More

4.1 out of 5 Stars. 156 reviews

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Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector From $12.99

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From$1299

Smoke Alarm Home Security System Fire Protection Smoke Alarm Detector

5 out of 5 Stars. 3 reviews

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NKBIRD Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Monitoring, US Version-Pci/L，Black

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NKBIRD Home Radon Detector, Portable Radon Meter, Short-Term and Long-Term Monitoring, US Version-Pci/L，Black

4.4 out of 5 Stars. 18 reviews

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch From $34.84

Available in additional 2 options

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From$3484

Kidde Hardwired Photoelectric Smoke Detector Alarm, AA Battery Backup, 5-inch

3.7 out of 5 Stars. 145 reviews

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INKBIRD INK-RD3 Smart Home Radon Detector, Alpha Spectrometer Sensor, Radon Level Indicator, 3 AAA Batteries Powered, Long-term and Short-term monitoring $97.98 Was $159.90

current price Now $97.98, Was $159.90

INKBIRD INK-RD3 Smart Home Radon Detector, Alpha Spectrometer Sensor, Radon Level Indicator, 3 AAA Batteries Powered, Long-term and Short-term monitoring

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Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup From $34.94

Available in additional 2 options

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From$3494

Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery Backup

4.3 out of 5 Stars. 101 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 $104.98

current price $104.98

Airthings Corentium Home Radon Detector 2350 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L

4.3 out of 5 Stars. 99 reviews

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Clearance Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE From $27.94

Available in additional 2 options

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From$2794

Kidde Dual Sensor Smoke Alarm, 85 Decibels, KIDDE

4.4 out of 5 Stars. 60 reviews

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100+ bought since yesterday Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5-LP3 $23.44

current price $23.44

Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5-LP3

4.6 out of 5 Stars. 412 reviews

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Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up $27.97

current price $27.97

Universal Security Instruments Hardwire Smoke & Fire Alarm, with Battery Back-up

5 out of 5 Stars. 1 reviews

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Airthings Wave Radon Battery Operated Smart Radon Detector $124.74 Was $159.99

current price Now $124.74, Was $159.99

Airthings Wave Radon Battery Operated Smart Radon Detector

4.3 out of 5 Stars. 61 reviews

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Universal Security Instruments Hardwire Smoke & Fire Alarm, with 10-Year Battery Backup $44.97

current price $44.97

Universal Security Instruments Hardwire Smoke & Fire Alarm, with 10-Year Battery Backup

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100+ bought since yesterday Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM From $27.94

Available in additional 3 options

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From$2794

Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM

4.6 out of 5 Stars. 583 reviews

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Radon Detector Meter, Rechargeable Color LCD Display, 2Bq-20kBq/m $136.29

current price $136.29

Radon Detector Meter, Rechargeable Color LCD Display, 2Bq-20kBq/m

VEVOR Home Radon Detector, 2Bqto20kBq/m, HD Color Screen for Real-time Display, Short-Term & Long-Term Monitoring, Portable with LCD Screen, Multiple Detection Periods Support, Battery Powered $100.99

current price $100.99

VEVOR Home Radon Detector, 2Bqto20kBq/m, HD Color Screen for Real-time Display, Short-Term & Long-Term Monitoring, Portable with LCD Screen, Multiple Detection Periods Support, Battery Powered

2 out of 5 Stars. 1 reviews

100+ bought since yesterday Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators From $27.47

Available in additional 3 options

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From$2747

Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators

4.7 out of 5 Stars. 1554 reviews

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iDiskk Plug-in Ionizer, Filterless Mobile Portable, Negative Ion Generator Eliminates: Smoke, Allergens & More for Pet Room, Bedroom, Kitchen & Toilet 280 Sq ft, 3-Pack White From $33.99

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From$3399

iDiskk Plug-in Ionizer, Filterless Mobile Portable, Negative Ion Generator Eliminates: Smoke, Allergens & More for Pet Room, Bedroom, Kitchen & Toilet 280 Sq ft, 3-Pack White

50+ bought since yesterday Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch From $65.00

Available in additional 2 options

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From$6500

Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inch

4.4 out of 5 Stars. 246 reviews

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Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5

Available in additional 3 options

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Kidde AA Battery Operated Basic Carbon Monoxide Alarm - 9CO5

4.7 out of 5 Stars. 728 reviews

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Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery Backup From $51.00

Available in additional 3 options

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From$5100

Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery Backup

4 out of 5 Stars. 189 reviews

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iDiskk Home Mini Plug-in Ionizer, Filterless Mobile Portable, Negative Ionizer Generator Eliminates: Smoke, Allergens & More for Pet Room, Bedroom, Kitchen & Toilet 280 Sq ft, 3-Pack White $29.99

current price $29.99

iDiskk Home Mini Plug-in Ionizer, Filterless Mobile Portable, Negative Ionizer Generator Eliminates: Smoke, Allergens & More for Pet Room, Bedroom, Kitchen & Toilet 280 Sq ft, 3-Pack White

KFFKFF Portable Radon Detector with HD Color Display, Measures 2Bq to 20kBq/m, Real-Time and Long-Term Monitoring, LCD Screen, Battery Operated, Supports Multiple Detection Durations $99.99

current price $99.99

KFFKFF Portable Radon Detector with HD Color Display, Measures 2Bq to 20kBq/m, Real-Time and Long-Term Monitoring, LCD Screen, Battery Operated, Supports Multiple Detection Durations

Kidde Battery-Powered Electrochemical Carbon Monoxide Detector From $44.44

Available in additional 2 options

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From$4444

Kidde Battery-Powered Electrochemical Carbon Monoxide Detector

4.2 out of 5 Stars. 55 reviews

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iDiskk Mini Plug-in Ionizer, Filterless Portable Negative Ion Generator for Pet Room, Bedroom, Kitchen & Toilet 280 Sq ft, 6-Pack White

MSA Altair Single-Gas Detectors, Hydrogen Sulfide (H2S)

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

current price $83.99

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

KFFKFF Home Radon Detector, 3.3Bq to 37kBq/m, Battery Powered Radon & Air Quality Monitor, Color Screen, Extended Radon Level Tracking, Rechargeable or Wired Option $95.99

current price $95.99

KFFKFF Home Radon Detector, 3.3Bq to 37kBq/m, Battery Powered Radon & Air Quality Monitor, Color Screen, Extended Radon Level Tracking, Rechargeable or Wired Option

5 out of 5 Stars. 2 reviews

Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power From $41.97

Available in additional 2 options

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From$4197

Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium Power

4.1 out of 5 Stars. 401 reviews

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BRK Battery-Powered Electrochemical Carbon Monoxide Detector $121.84

current price $121.84

BRK Battery-Powered Electrochemical Carbon Monoxide Detector

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First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector $74.97

current price $74.97

First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector

4.7 out of 5 Stars. 18 reviews

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NukAlert Radiation Detector Monitor & Alarm $169.99

current price $169.99

NukAlert Radiation Detector Monitor & Alarm

Rely Essentials Battery Operated Combination Smoke & Carbon Monoxide Detector with Voice Alerts $52.99

current price $52.99

Rely Essentials Battery Operated Combination Smoke & Carbon Monoxide Detector with Voice Alerts

4.8 out of 5 Stars. 12 reviews

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Detector Handheld EMF Meter Portable Electromagnetic Radiation Detector Household Laboratory Hospital Digital Electric Field Detector Multi-functional Radioactive Detector

RadEnergy EMF Meter Radiation Detector Digital EMF Reader & Blocker with 5-LED Display Portable Magnetic Field Counter for Home, Office & Electronics $49.99

current price $49.99

RadEnergy EMF Meter Radiation Detector Digital EMF Reader & Blocker with 5-LED Display Portable Magnetic Field Counter for Home, Office & Electronics

First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm $41.99

current price $41.99

First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm

4.8 out of 5 Stars. 5 reviews

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WT3121 RZ EMF Meter Radiation Detector Tester Rechargeable Portable Counter e Computer Emission Electromagnetic Field Test ,Precise Measurement $49.88

current price $49.88

WT3121 RZ EMF Meter Radiation Detector Tester Rechargeable Portable Counter e Computer Emission Electromagnetic Field Test ,Precise Measurement

Radiation Alert Analog Radiation Detector 4EC $850.78 $850.78/1

current price $850.78

$850.78/1

Radiation Alert Analog Radiation Detector 4EC

Electromagnetic Field Radiation Detector Tester Meter Rechargeable Handheld-Portable Counter Emission Dosimeter-Computer

AS1392 Nuclear Radiation Detector LCD EMF Meter Electromagnetic Field Radiation Dosimeter Tester ir Counter ,Precise Measurement $69.10

current price $69.10

AS1392 Nuclear Radiation Detector LCD EMF Meter Electromagnetic Field Radiation Dosimeter Tester ir Counter ,Precise Measurement

Electromagnetic Field Radiation Detector,Tester Emf Counter Emission Dosimeter Computer Electric Field Magnetic Field ,Clear Data From $58.25

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From$5825

Electromagnetic Field Radiation Detector,Tester Emf Counter Emission Dosimeter Computer Electric Field Magnetic Field ,Clear Data

First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400 , 1046718 $55.99

current price $55.99

First Alert Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400 , 1046718

1 out of 5 Stars. 1 reviews

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BRK Electronics HC-7020BSL Hardwired Photoelectric T3 Smoke Alarm and LED Strobe

First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup

4.9 out of 5 Stars. 54 reviews

First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery

4.5 out of 5 Stars. 479 reviews

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