Portable Co Sensor(116)
Uses item details. Price when purchased online
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 $50.99 Was $59.99
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Now$5099
current price Now $50.99, Was $59.99$59.99
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
44 out of 5 Stars. 4 reviews
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TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel $39.09 Was $45.99
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Now$3909
current price Now $39.09, Was $45.99$45.99
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel
234.5 out of 5 Stars. 23 reviews
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Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor – Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment – Air Quality Tester $29.99
Sponsored
$2999
current price $29.99Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor – Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment – Air Quality Tester
65 out of 5 Stars. 6 reviews
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Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor – Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment – Air Quality Tester $29.99 Was $39.99
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Now$2999
current price Now $29.99, Was $39.99$39.99
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor – Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment – Air Quality Tester
95 out of 5 Stars. 9 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
18324.7 out of 5 Stars. 1832 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
7534.6 out of 5 Stars. 753 reviews
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Siterwell AA Battery Operated Carbon Monoxide Detector, Electrochemical sensor,Portable for Travel home,4-pack From $21.31
3 options
Available in additional 3 optionsFrom$2131
Siterwell AA Battery Operated Carbon Monoxide Detector, Electrochemical sensor,Portable for Travel home,4-pack
1354.6 out of 5 Stars. 135 reviews
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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
5684.6 out of 5 Stars. 568 reviews
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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 $26.92
3 options
Available in additional 3 optionsFrom$2692
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
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel $39.09 Was $45.99
Now$3909
current price Now $39.09, Was $45.99$45.99
TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel
234.5 out of 5 Stars. 23 reviews
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Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack From $21.31
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From$2131
Siterwell AA Battery Operated Carbon Monoxide Detector Alarm, LCD Display,Portable for Travel Home,1-pack
1354.6 out of 5 Stars. 135 reviews
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Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $39.99
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$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
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(2 pack) 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
(2 pack) 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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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 $17.19
From$1719
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
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester $29.99
$2999
current price $29.99Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical CO Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester
65 out of 5 Stars. 6 reviews
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Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts
Portable Carbon Monoxide Detector, 10-Day Standby, Rechargeable Mini CO Monitor for Travel & Camping, Handheld CO Meter with Audible & Visual Alerts
Vrorvz Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact LightweightTYPE C Charging $13.79 Was $19.98
Now$1379
current price Now $13.79, Was $19.98$19.98
Vrorvz Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact LightweightTYPE C Charging
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
114.9 out of 5 Stars. 11 reviews
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2Pcs 6-in-1 CO, Smoke, Gas Detector - Portable Plug-in Safety Device with Built-in Battery, High-Precision Sensors, 85dB Alarm, and Rotatable Color Screen for Home, RV, Hotel, and Travel Use Black A From $22.39
From$2239
2Pcs 6-in-1 CO, Smoke, Gas Detector - Portable Plug-in Safety Device with Built-in Battery, High-Precision Sensors, 85dB Alarm, and Rotatable Color Screen for Home, RV, Hotel, and Travel Use Black A
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
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $40.99
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$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
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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
Sponsored
From$2747
Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light Indicators
18324.7 out of 5 Stars. 1832 reviews
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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
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5-in-1 Portable CO with Temperature Humidity Sensors Plug in with High Definition Display for Home Kitchen Travel Garage RVs Apartments
5-in-1 Portable CO with Temperature Humidity Sensors Plug in with High Definition Display for Home Kitchen Travel Garage RVs Apartments
Clearance Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor From $14.02
From$1402
Portable Carbon Monoxide Detector Alarm For Camping And Home Use Of The Day Home Decor
shulin-3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm3 $25.99
$2599
current price $25.99shulin-3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Battery, Electrochemical Sensor Carbon Monoxide Alarm3
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
GJX Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact Lightweight with Charging $20.92
$2092
current price $20.92GJX Portable Handheld CO2 Detector Accurate CO Sensor Monitors Indoor Air Quality Temperature Humidity for Home Tent Car RV Compact Lightweight with Charging
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester $29.99 Was $39.99
Now$2999
current price Now $29.99, Was $39.99$39.99
Veevvio Handheld 3-in-1 Carbon Monoxide Detector, Temperature & Humidity Monitor Portable Electrochemical Sensor Alarm for Home, Travel, Car, Apartment Air Quality Tester
95 out of 5 Stars. 9 reviews
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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
114.9 out of 5 Stars. 11 reviews
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VEVOR Carbon Dioxide Monitor, CO2 Controller with Temperature and Humidity Display, NDIR Sensor, Carbon Dioxide Detector for Bedside, Home, Office, Car, Lightweight & Portable $37.99
Sponsored
$3799
current price $37.99VEVOR 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
Clearance 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)
13 out of 5 Stars. 1 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 $50.99 Was $59.99
Now$5099
current price Now $50.99, Was $59.99$59.99
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
44 out of 5 Stars. 4 reviews
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Clearance 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
Portable Carbon Monoxide Detector | Compact Indoor Humidity and Temperature Monitor | Wall Mountable Handheld Air Quality Monitor for Home Travel Use Was $30.89
Portable Carbon Monoxide Detector | Compact Indoor Humidity and Temperature Monitor | Wall Mountable Handheld Air Quality Monitor for Home Travel Use
FACEGA Mini Carbon Monoxide Detector 0-999ppm Portable CO Gas Detector LCD Display Handheld Smoke Carbon Monoxide Monitor Battery Operated Carbon Monoxide Alarm Sensor for Hotel Dorm RV $15.84
$1584
current price $15.84FACEGA Mini Carbon Monoxide Detector 0-999ppm Portable CO Gas Detector LCD Display Handheld Smoke Carbon Monoxide Monitor Battery Operated Carbon Monoxide Alarm Sensor for Hotel Dorm RV
Clearance 4 in 1 Gas Detector,CO CO2 Temp Humidity Monitoring,Precision 1ppm,0-1000ppm Range,Built-in 2000mAh Battery,Magnetic Back Panel,Portable with Flashlight,Air Quality Safety Tool Was $22.91
4 in 1 Gas Detector,CO CO2 Temp Humidity Monitoring,Precision 1ppm,0-1000ppm Range,Built-in 2000mAh Battery,Magnetic Back Panel,Portable with Flashlight,Air Quality Safety Tool
Handheld Carbon Monoxide Meter CO Detector Portable CO Gas Leak Detector High Precision Carbon Monoxide Tester $39.99
$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
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Veevvio Handheld 4-in-1 Carbon Monoxide & Carbon Dioxide Detector, Temperature & Humidity Monitor Rechargeable with Custom Alarm Thresholds, 96H Standby Mini CO/CO2 Alarm for Travel, RV, Hotel $39.99
$3999
current price $39.99Veevvio Handheld 4-in-1 Carbon Monoxide & Carbon Dioxide Detector, Temperature & Humidity Monitor Rechargeable with Custom Alarm Thresholds, 96H Standby Mini CO/CO2 Alarm for Travel, RV, Hotel
11 out of 5 Stars. 1 reviews
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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
Daiosportswear 3-in-1 Portable CO Detector,Temperature & Humidity Monitor,High Precision Sensor,LCD Screen & Alarm,Rechargeable Battery,Home & Camping Use,Safety Alert System,Compact Device,1.9"
Daiosportswear 3-in-1 Portable CO Detector,Temperature & Humidity Monitor,High Precision Sensor,LCD Screen & Alarm,Rechargeable Battery,Home & Camping Use,Safety Alert System,Compact Device,1.9"
11 out of 5 Stars. 1 reviews
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
3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Whitout Battery, Electrochemical Sensor Carbon Monoxide Alarm
3-in-1 Portable Handheld CO Detector with Temperature and Humidity Monitor, White, Whitout Battery, Electrochemical Sensor Carbon Monoxide Alarm
3-in-1 Portable Handheld CO Detector Carbon Monoxide Alarm with Temp & Humidity Monitor. $27.32
$2732
current price $27.323-in-1 Portable Handheld CO Detector Carbon Monoxide Alarm with Temp & Humidity Monitor.
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
Portable Carbon Monoxide Gas Detector, 4-in-1 Air Quality Monitor with Temperature & Humidity Sensor, ABS Handheld Multi Gas Alarm with Digital Display for Home Camping RV Outdoor Safety From $45.87
From$4587
Portable Carbon Monoxide Gas Detector, 4-in-1 Air Quality Monitor with Temperature & Humidity Sensor, ABS Handheld Multi Gas Alarm with Digital Display for Home Camping RV Outdoor Safety
CO Detector Co 3-in-1 Portable Detector Battery Powerd Handheld Alarm with Temperature & Humidity CO Detector Monitor for Home Outside RV Easy to Read $25.91
$2591
current price $25.91CO Detector Co 3-in-1 Portable Detector Battery Powerd Handheld Alarm with Temperature & Humidity CO Detector Monitor for Home Outside RV Easy to Read
VVQ Portable CO2 Detector, 3-in-1 Handheld Air Quality Monitor with Indoor Temperature Humidity, High Precision Carbon Monoxide Sensor,Type-C Rechargeable for Home Office $22.49
$2249
current price $22.49VVQ Portable CO2 Detector, 3-in-1 Handheld Air Quality Monitor with Indoor Temperature Humidity, High Precision Carbon Monoxide Sensor,Type-C Rechargeable for Home Office
GJX 2026 New 3 in 1 Mini Co Detector Digital Display Portable Carbon Monoxide Gas Analyzer Type-C Rechargeable,Long Time to Use for Home,Garage,Office,Workshop,Kitchen $48.77
$4877
current price $48.77GJX 2026 New 3 in 1 Mini Co Detector Digital Display Portable Carbon Monoxide Gas Analyzer Type-C Rechargeable,Long Time to Use for Home,Garage,Office,Workshop,Kitchen
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