Co Detector Portable(177)
Uses item details. Price when purchased online
TOPTES 4 in 1 Gas Monitor Guard 101, Portable Multi Gas Detector, Gas Leak Detector for Natural Gas, Propane, Methane, H2S, CO, LEL and O2, Audible Visual Vibration Alarm, 14 Hour Battery $99.99
Sponsored
$9999
current price $99.99TOPTES 4 in 1 Gas Monitor Guard 101, Portable Multi Gas Detector, Gas Leak Detector for Natural Gas, Propane, Methane, H2S, CO, LEL and O2, Audible Visual Vibration Alarm, 14 Hour Battery
164.4 out of 5 Stars. 16 reviews
TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel $59.99
Sponsored
$5999
current price $59.99TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel
44 out of 5 Stars. 4 reviews
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack From $25.99
Sponsored
From$2599
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack
1394.6 out of 5 Stars. 139 reviews
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $39.99
Sponsored
$3999
current price $39.99Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester
63.5 out of 5 Stars. 6 reviews
Rollback Outdoor-Forest Brand, Carbon Monoxide Detector, Orange Color, LCD Screen $24.37 Was $28.96
Now$2437
current price Now $24.37, Was $28.96$28.96
Outdoor-Forest Brand, Carbon Monoxide Detector, Orange Color, LCD Screen
1314.4 out of 5 Stars. 131 reviews
LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector From $13.99
From$1399
LCD Display CO Carbon Monoxide Gas Detector Device Home Safety Alarm Detector
464.7 out of 5 Stars. 46 reviews
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
18724.7 out of 5 Stars. 1872 reviews
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
7804.6 out of 5 Stars. 780 reviews
M Buder Portable Air Quality Detector CO2 TVOC HCHO Humidity Temperature 5 in 1 Multifunctional Indoor Air Quality Tester Meter, LCD Display, Carbon Dioxide Monitor for Home Office, White From $17.05
From$1705
M Buder Portable Air Quality Detector CO2 TVOC HCHO Humidity Temperature 5 in 1 Multifunctional Indoor Air Quality Tester Meter, LCD Display, Carbon Dioxide Monitor for Home Office, White
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack From $25.99
3 options
Available in additional 3 optionsFrom$2599
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack
1394.6 out of 5 Stars. 139 reviews
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $40.99
Sponsored
$4099
current price $40.99Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester
34 out of 5 Stars. 3 reviews
Rely Essentials 6000 Carbon Monoxide Detector with Digital Display, Battery Operated CO Alarm, Wall Mount or Tabletop, 1-Pack $24.99
Sponsored
$2499
current price $24.99Rely Essentials 6000 Carbon Monoxide Detector with Digital Display, Battery Operated CO Alarm, Wall Mount or Tabletop, 1-Pack
124.9 out of 5 Stars. 12 reviews
Portable Carbon Monoxide Detector – Handheld CO Alarm with Electrochemical Sensor, 85dB Audible Alert and LCD Display, Battery Operated Safety Device for Home, Travel, Camping and RV Use From $14.15
From$1415
Portable Carbon Monoxide Detector – Handheld CO Alarm with Electrochemical Sensor, 85dB Audible Alert and LCD Display, Battery Operated Safety Device for Home, Travel, Camping and RV Use
50+ 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
5954.7 out of 5 Stars. 595 reviews
Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor Was $21.99
Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor
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
4034.1 out of 5 Stars. 403 reviews
SITERWELL Portable Plug in Carbon Monoxide (CO)Detector 10 Year Battery,Electrochemical,Sound Warning, AC Powered for Home Office Travel,2 pack From $39.99
4 options
Available in additional 4 optionsFrom$3999
SITERWELL Portable Plug in Carbon Monoxide (CO)Detector 10 Year Battery,Electrochemical,Sound Warning, AC Powered for Home Office Travel,2 pack
494.5 out of 5 Stars. 49 reviews
Clearance 6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel From $24.99
3 options
Available in additional 3 optionsFrom$2499
6-in-1 Portable Gas Detector, Plug-in & Battery Powered CO Smoke Gas Monitor with 2.8" Rotatable HD Screen, 85dB Alarm, High-Precision Sensor for Home, RV, Camping & Car Travel
Clearance Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts $25.67 Was $28.84
Now$2567
current price Now $25.67, Was $28.84$28.84
Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts
Kidde Battery-Powered Electrochemical Carbon Monoxide Detector From $39.97
2 options
Available in additional 2 optionsFrom$3997
Kidde Battery-Powered Electrochemical Carbon Monoxide Detector
694.2 out of 5 Stars. 69 reviews
Portable Air Monitor Indoor Outdoor, 5-in-1 Professional Portable TVOC Detector, HCHO Humidity Temperature Meter, White From $39.99
Sponsored
From$3999
Portable Air Monitor Indoor Outdoor, 5-in-1 Professional Portable TVOC Detector, HCHO Humidity Temperature Meter, White
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV From $39.98
Sponsored
From$3998
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV
Clearance Portable Carbon Monoxide Alarm, Handheld CO Detector with High-Sensitivity Sensor for Camping and Travel, Lightweight Safety Monitor From $11.07
3 options
Available in additional 3 optionsFrom$1107
Portable Carbon Monoxide Alarm, Handheld CO Detector with High-Sensitivity Sensor for Camping and Travel, Lightweight Safety Monitor
14 out of 5 Stars. 1 reviews
Industry Portable Carbon Monoxide Detector Gas Analyzer CO Meter Monitor Measuring 0-1000PPM Sound And Light Vibration $132.01
$13201
current price $132.01Industry Portable Carbon Monoxide Detector Gas Analyzer CO Meter Monitor Measuring 0-1000PPM Sound And Light Vibration
Rely Essentials 6000 Carbon Monoxide Detector with Digital Display, Battery Operated CO Alarm, Wall Mount or Tabletop, 1-Pack $24.99
$2499
current price $24.99Rely Essentials 6000 Carbon Monoxide Detector with Digital Display, Battery Operated CO Alarm, Wall Mount or Tabletop, 1-Pack
124.9 out of 5 Stars. 12 reviews
Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE From $44.94
2 options
Available in additional 2 optionsFrom$4494
Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDE
1124.4 out of 5 Stars. 112 reviews
GJX Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact Lightweight with Charging $18.79
$1879
current price $18.79GJX Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact Lightweight with Charging
Clearance Portable Carbon Monoxide Detector | Compact Indoor Humidity and Temperature Monitor | Wall Mountable Handheld Air Quality Monitor for Home Travel Use $19.94 Was $30.89
Now$1994
current price Now $19.94, Was $30.89$30.89
Portable Carbon Monoxide Detector | Compact Indoor Humidity and Temperature Monitor | Wall Mountable Handheld Air Quality Monitor for Home Travel Use
11 out of 5 Stars. 1 reviews
Portable Air Monitor Indoor Outdoor, 5-in-1 Professional Portable TVOC Detector, HCHO Humidity Temperature Meter, Orange
Portable Air Monitor Indoor Outdoor, 5-in-1 Professional Portable TVOC Detector, HCHO Humidity Temperature Meter, Orange
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
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable $25.11 Was $39.99
Sponsored
Now$2511
current price Now $25.11, Was $39.99$39.99
VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable
11 out of 5 Stars. 1 reviews
X-Sense Smoke and Carbon Monoxide Alarm Combo, 10 Year Sealed Battery, Wireless Interconnected Fire & CO Detector, Connects Up to 24 Link+ Devices, 1 PACK, SC06-W From $42.99
Sponsored
From$4299
X-Sense Smoke and Carbon Monoxide Alarm Combo, 10 Year Sealed Battery, Wireless Interconnected Fire & CO Detector, Connects Up to 24 Link+ Devices, 1 PACK, SC06-W
6334.6 out of 5 Stars. 633 reviews
TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel $59.99
$5999
current price $59.99TOPTES Carbon Monoxide Detector with TFT Display CT-580, Rechargeable Handheld CO Inspection Device with Vibration, Visual and Audible Alarm, CO Detector for Home, Jobsite, Garage, and Travel
44 out of 5 Stars. 4 reviews
3-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in $18.99
$1899
current price $18.993-in-1 Portable CO2 Meter, Handheld Air Quality Detector with Carbon Monoxide Sensor and Temperature Humidity Monitor for Home Office Car and Travel, 3.35x2.01x0.67in
34.7 out of 5 Stars. 3 reviews
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV From $39.98
From$3998
Nexvue 6 in 1 RV CO Detector, Plug-In Gas Monitoring with Battery Backup, LCD Display Real-Time Digital Display, for Home, Apartment, RV
3-in-1 Portable CO2 Detector with Carbon Monoxide Sensor, Rechargeable Handheld Indoor Air Quality Monitor with Temperature & Humidity for Home, Car and RV $29.99
$2999
current price $29.993-in-1 Portable CO2 Detector with Carbon Monoxide Sensor, Rechargeable Handheld Indoor Air Quality Monitor with Temperature & Humidity for Home, Car and RV
11 out of 5 Stars. 1 reviews
4-in-1 CO & Gas Detector with HD Digital Display, Temperature & Humidity Monitor, Portable Safety Alarm Sensor for Home, RV, Hotel & Camping (Black) From $21.48
From$2148
4-in-1 CO & Gas Detector with HD Digital Display, Temperature & Humidity Monitor, Portable Safety Alarm Sensor for Home, RV, Hotel & Camping (Black)
23.5 out of 5 Stars. 2 reviews
First Alert 1039752, White, Digital Display, Carbon Monoxide Alarm $44.64 Was $49.99
Now$4464
current price Now $44.64, Was $49.99$49.99
First Alert 1039752, White, Digital Display, Carbon Monoxide Alarm
994.8 out of 5 Stars. 99 reviews
Handheld Carbon Monoxide Meter Portable CO Gas Leak Detector Gas Analyzer High Precision Detector De Gas Monitor Tester 1000ppm $82.70
$8270
current price $82.70Handheld Carbon Monoxide Meter Portable CO Gas Leak Detector Gas Analyzer High Precision Detector De Gas Monitor Tester 1000ppm
5-in-1 Portable CO Detector with Temperature Humidity Sensor, Plug and Play, High Definition Display, for Kitchen Garage RV $27.69
$2769
current price $27.695-in-1 Portable CO Detector with Temperature Humidity Sensor, Plug and Play, High Definition Display, for Kitchen Garage RV
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
164.6 out of 5 Stars. 16 reviews
2026 New 4-in-1 Gas Detector, CO and Natural Gas Monitor with Digital Display, Home Safety Alert Device for Kitchen, Garage, Office,1Pc
2026 New 4-in-1 Gas Detector, CO and Natural Gas Monitor with Digital Display, Home Safety Alert Device for Kitchen, Garage, Office,1Pc
Handheld Portable High Precision 4-in-1 Gas Detector - Combustible & Toxic Hazardous Gas Meter O2 CO H2S Analyzer Rechargeable From $113.14
From$11314
Handheld Portable High Precision 4-in-1 Gas Detector - Combustible & Toxic Hazardous Gas Meter O2 CO H2S Analyzer Rechargeable
Portable CO2 Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Rechargeable | Compact | For Home, Car, RV | 85x51x17mm $15.67
$1567
current price $15.67Portable CO2 Detector 3-in-1 Carbon Monoxide Sensor | Handheld Indoor Air Quality Monitor | Measures CO2 Levels, Temperature, Humidity | Rechargeable | Compact | For Home, Car, RV | 85x51x17mm
14 out of 5 Stars. 1 reviews
karymi Portable Carbon Monoxide Detector Alarm with LCD Screen Temperature Humidity Display Rechargeable 700mAh for Camping Home RV Travel Home Decor
karymi Portable Carbon Monoxide Detector Alarm with LCD Screen Temperature Humidity Display Rechargeable 700mAh for Camping Home RV Travel Home Decor
6-in-1 Combustible Gas Detector,6 in 1 CO Smoke Combustible Alarm,Plug-in Portable Temperature Humidity Meter with LCD Display for Home,Kitchen,RV,Trave
6-in-1 Combustible Gas Detector,6 in 1 CO Smoke Combustible Alarm,Plug-in Portable Temperature Humidity Meter with LCD Display for Home,Kitchen,RV,Trave
Handheld Carbon Monoxide Meter Portable CO Gas Leak Detector Gas Analyzer High Precision Detector De Gas Monitor Tester 1000ppm $74.11
$7411
current price $74.11Handheld Carbon Monoxide Meter Portable CO Gas Leak Detector Gas Analyzer High Precision Detector De Gas Monitor Tester 1000ppm
6 in 1 Portable Air Quality Monitor with Large Screen Detects PM2.5 PM10 HCHO TVOC CO CO2 for Home Office Travel
6 in 1 Portable Air Quality Monitor with Large Screen Detects PM2.5 PM10 HCHO TVOC CO CO2 for Home Office Travel
15 out of 5 Stars. 1 reviews
Popular in Co Detector Portable
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