10 Best carbon monoxide detectors in India

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Last Updated - 25/04/2026

Best Choice
01

JYSONGHU
60% Off

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Carbon Monoxide Detector, Replaceable Battery-Operated Carbon Monoxide Alarm Detectors with Digital Display & LED Lights. CO Alarm Applicable to Home, Warehouse
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your family safe. Operated by 3 * 1.5V AA batteries (not included),portable and easy installation,no need for socket, not affected by power failure, can be installed anywhere!
Portable and Easy to Install：The carbon monoxide detector is easy to install without rewiring. It can be mounted on wall or ceiling（Please refer to the instruction manual for the specific location of the carbon monoxide sensor installation）, This CO detector includes mounting screws and anchors,. It is an ideal carbon monoxide quotation device for home use
Package Includes & WARRANTY ： 1×carbon monoxide detector,1×manual, 2 screws, 2 anchor plugs.If you meet any quality issues with Carbon Monoxide Detector, just contact us via or Amazon question message, We will consistently spare no effort to provide good service and experience for every customers!
LCD Digital Display and LED Indicators：Simple to use,with a single test/reset button,when a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.
Fast and Accurate Detection：The carbon monoxide detector is built-in advanced electrochemical CO sensor that provides high-precision alarms for fast and accurate detection of carbon monoxide levels. When the carbon monoxide concentration exceeds the specified value, an alarm warning of more than 85 decibels will be issued. To ensure complete protection, be sure to place one on every floor of your home and in every bedroom.
Carbon monoxide alarm installed battery status(not included battery): When the carbon monoxide detector is installed with a battery, the product will emit a "beep" alarm sound and then enter the standby state. During the standby process, the green light will flash once every 30 seconds, which means the product is normal Work
Alarm standard: 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.

₹799.00 ₹1,999.00 60% Off
Best Value
02

Yellow Tommy
83% Off

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MQ-7 High Sensitivity Carbon Monoxide (CO) Gas Sensor Module | Carbon Monoxide Detector for DIY and Electronics Projects
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Versatile Use Cases: Perfect for use in home safety systems, industrial gas detectors, or DIY air quality projects, and capable of detecting CO, methane, LPG, propane, hydrogen, alcohol, and smoke.
Stable Performance & Long Life: Built with high-quality materials, this sensor offers excellent long-term stability and durability, making it suitable for continuous use in safety-critical environments.
High Sensitivity to Carbon Monoxide: Accurately detects CO gas concentrations in the air, with an analog output that increases with gas concentration—ideal for air quality and safety systems.
Fast Response & Recovery Time: The sensor responds quickly to changes in CO gas levels and recovers rapidly, ensuring real-time monitoring and reliable data collection.
Easy Integration with Microcontrollers: Compatible with Microcontrolles and other development platforms, the 4-pin interface and TTL signal output make setup simple for both beginners and experts.

₹99.00 ₹569.00 83% Off
03

INKBIRDPLUS
50% Off

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INKBIRDPLUS 3-in-1 Carbon Monoxide Detector Plug-in Air Quality Monitor with Temperature & Humidity Sensor, IPS HD Display, Loud Buzzer Alarm, CO Detector for Home, Office, School (EU Plug)
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Versatile Usage Scenarios: This carbon monoxide detector is ideal for homes, hotels, and restaurants, providing real-time monitoring of CO, temperature, and humidity to prevent accidents and ensure your well-being effectively.
Upgraded 3-in-1 CO Detector: The INKBIRDPLUS 3-in-1 air quality monitor can simultaneously monitor carbon monoxide (from 0~999PPM), temperature (from -10℃ to 50℃), and humidity (from 0%~95%RH), providing real-time indoor environment monitoring for healthier breathing and improved quality of life.
Plug-in Design: Eliminates battery replacements! Just plug into the wall outlet to monitor CO, temperature, and humidity. Perfect for bedrooms, kitchens, offices, and other areas requiring air quality monitoring.
IPS HD Display: Featuring an HD display with wide viewing angles and true-to-life color reproduction. The 320×240 resolution screen delivers clear visibility for real-time monitoring, even in complete darkness, allowing for effortless reading of all data.
4-Level Visual & Audible Alarm: The CO detector can determine if the current air environment is safe by using an alert icon, indicator light, or audible alarm. CO: 0~50 PPM (Green=Good), CO: 51~100 PPM (Yellow=Attention), CO: 101~150PPM (Orange=Warning), CO: more than 150PPM (Red=Danger).

₹3,050.00 ₹6,100.00 50% Off
04

Lunarlipes

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Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor ＆ LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

【SOUND AND LIGHT ALARM & SELF-SET ALARM VALUE】Carbon monoxide detector adopts visual and audible alarm, alarm value can be set freely (preset 24PPM). When the detected CO gas concentration reaches the alarm threshold, the CO detector will emit a beep sound and screen flashing alarm to remind you of the presence of carbon monoxide gas around you, so that you can detect the danger in time to protect yourself. Click the “ON/OFF button” to turn the beeping sound on or off.
【SHOP WITH CONFIDENCE】Your satisfaction is our top priority. We provide 3 years service and lifetime technical support for Carbon Monoxide Meter AS8700A. If you encounter any problems, just contact us through Amazon Customer Service or Q&A and we will reply within 12 hours. Risk-free shopping. Customer satisfaction is our tireless pursuit!
【PRECISION CO METER】Handheld carbon monoxide meter with sensitive professional electrochemical sensor can detect CO range from 0~1000PPM and temperature range from 32~122℉ / 0~50℃. With auto-calibration function, it can help you detect carbon monoxide gas concentration timely and accurately, reduce the risk of carbon monoxide poisoning, and protect the life and property of you and your family.
【PRACTICAL DESIGN】Portable carbon monoxide detector is small in size and light in weight, easy to use with one hand. With back clip design on the back, it is very easy to work and carry. The HD LCD backlit screen makes the carbon monoxide reader easy to use even at night. In addition, you can set whether or not to turn on the auto power off function (when the auto power off function is turned on, if there is no operation for 10 minutes, it will turn off automatically to save power).
【APPLICATION SCOPE】The portable CO detector has the characteristics of wide measurement range, high measurement accuracy, small size, easy portability, and simple operation. Can be widely used in indoor and outdoor, homes, garages, offices, schools, hospitals, supermarkets, travel, ships, airplanes, cars and RVs and other places, as well as coal, oil drilling rigs, textiles, chemicals, metallurgy, papermaking, fire protection, municipal administration, etc. industry.
【4 TEST MODES】Carbon monoxide tester has 4 test modes, namely: real-time data, data hold, maximum value, minimum value.The power-on warm-up time of the CO tester is 120 seconds, and you can press the “ON/OFF” button to enter the test mode directly. In the test mode, just click the “MODE” button to switch between the four test modes easily. You can adjust the appropriate mode according to your usage or working environment.

₹5,573.00
05

Serplex
38% Off

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Serplex® Carbon Monoxide Detector with Digital LCD Display & Sound Warning, PPM CO Alarm Sensor CO Gas Monitor Alarm Detector with LED Indicator Lights, for Home RV Office (No Battery Included)
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

HIGH DECIBEL ALARM DESIGN: The powerful, high volume alert is engineered to capture attention immediately when dangerous carbon monoxide levels are detected. Its loud alarm ensures you can hear it from multiple rooms providing critical early warning even during sleep.
EASY TEST BUTTON AND LED INDICATORS: A simple push of the test button verifies that the alarm is functioning correctly providing peace of mind during routine safety checks. Multiple LED indicator lights clearly display the operational status power level and alert conditions .
CARBON MONOXIDE DETECTOR WITH DIGITAL LCD DISPLAY: This carbon monoxide detector provides reliable protection for homes, offices and RVs using an advanced sensor that alerts you to dangerous CO levels in real time. The bright, easy-to-read LCD screen continuously displays carbon monoxide levels in PPM allowing you to monitor air quality at a glance
BATTERY OPERATED FLEXIBLE INSTALLATION: Powered by two AA batteries this carbon monoxide detector installs easily without wiring and can be mounted on either walls or ceilings to suit your space.
ADVANCED CO SENSOR TECHNOLOGY: The sensitive CO alarm sensor is designed to identify dangerous carbon monoxide concentrations with accuracy and speed. Once harmful levels are detected the unit triggers a loud alarm and visual alerts giving you the time you need to respond and move to safety.

₹749.00 ₹1,199.00 38% Off
06

INKBIRDPLUS
50% Off

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INKBIRDPLUS Portable Carbon Monoxide Detector CO Monitor with Temperature & Humidity Sensor, 3-in-1 Air Quality Monitor with Audible & Visual Alarms, Rechargeable
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Versatile Usage Scenarios: This carbon monoxide detector is ideal for homes, hotels, and restaurants, providing real-time monitoring of CO, temperature, and humidity to effectively prevent accidents and ensure your wellbeing.
USB Type-C Charging: The USB Type-C charging provides quick and convenient power-ups, so you spend less time waiting and more time monitoring your safety.
Compact & Travel-Friendly: This CO detector is smaller than most smartphones, making it incredibly portable. The included lanyard lets you wear it on your wrist or attach it to your backpack, ensuring continuous air monitoring wherever you go—perfect for camping, travel, or daily commutes.
3-in-1 CO Detector: The INKBIRDPLUS air quality meter can simultaneously monitor carbon monoxide (from 0~1000PPM), temperature (-10℃~50℃), and humidity (0%~95%RH), providing real-time indoor air conditions monitoring for better breathing comfort and improved quality of life.
3-Level Visual & Audible Alarm: The CO detector can determine if the current air environment is safe by using an alert icon, indicator light, or audible alarm. CO: 0~49PPM (Green=Good), CO: 50~99PPM (Orange=Attention), CO: more than 100PPM (Red=Warning).

₹3,650.00 ₹7,300.00 50% Off
07

EmbeTronicX
71% Off

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EmbeTronicX CO Gas Sensor Detector Carbon Monoxide Poisoning Alarm Detector LCD Photoelectric Independent 85dB Warning High Sensitive 220V 50HZ - ChipTronicX
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Standby Current: <50μA
LCD Displayer (optional): 4 digits LCD displayer
Frequency 3 – 0.5KHZ
Audibility: 85dB ( at 1m distance ),
Alarm Current: <50mA

₹738.00 ₹2,540.00 71% Off
08

pumwry
54% Off

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3 Pack Carbon Monoxide detectors,co Detector,Carbon Monoxide Alarm,co2 Detector Battery Powered with LCD Display,Carbon Monoxide Detector,UL2034 Standards,for Home
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Wide Application: The carbon monoxide detectors is suitable for living rooms, kitchens, bedrooms, offices, hotels, ,dormitories and portable co2 detector for travel,etc. It can effectively prevent fire accidents and provide reliable protection for your family's safety.
Self-test Function and Informative LCD: The unit will sound “chirp” and red LED flashes once as power up, “888” on the LCD Then pressing the test button, the unit will sound beeps with red LED flashes. Displays real-time CO levels and remembers dangerous CO levels since the last preset. ’Err’ on the LCD to indicate the unit is malfunctioning. ‘Lb' on the LCD toindicate it low battery and need replacement. “000” displays on the LCD for 3 seconds and then enter in normal operation mode.
Instant Alert: When carbon monoxide detectors rise to alarm levels, CO sensor detects CO, the red LED will flash,LCD Blue back light will be lighted, An early warning will be delivered through a loud 85-decibel alarm.
High Accuracy & Reliability: Features an advanced electrochemical carbon monoxide sensor that accurately detects real-time CO lcarbon monoxide levels.
Easy to Install: The co alarm and comes with screws for easy installation on walls or ceilings. Powered by 3 x 1.5V AA batteries (not included),It requires no hardwired, portable and easy installation,no need for socket, The battery means constant monitoring, even if there's a power failure! co detector battery can be used for about 36 months,It is convenient to replace the battery and has a long service life.

₹3,751.00 ₹8,156.00 54% Off
09

First Alert
56% Off

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First Alert CO400 Battery Powered Carbon Monoxide Alarm
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Uses electrochemical carbon monoxide sensor--the most accurate technology available
Simple to use silence/test button, low battery warning, end-of-life timer
Package Contents: 1 Piece Powered Carbon Monoxide Alarm
Battery-operated carbon monoxide alarm
5 year limited warranty
1-9V Battery (included) power source. (NOTE: Product may come with 2 AA batteries. This is the same model.)

₹2,967.13 ₹6,728.00 56% Off
10

DeWire
40% Off

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DeWire 9-in-1 Air Quality Detector with Color Display - Multifunctional CO2, CO, HCHO, TVOC, PM2.5, PM10, PM1.0 Monitor with Temperature & Humidity Sensors, USB-C Rechargeable Type
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

INTUITIVE COLOR-CODED DISPLAY: Easy-to-read screen with color-graded indicator bar (green/yellow/orange/red) helps you quickly assess air quality from Good to Serious at a glance
INNOVATIVE ASPIRAIL DESIGN: Scientific multi-sided ventilation system provides optimal airflow to all sensors, ensuring maximum accuracy in pollutant detection
EXTENDED BATTERY LIFE: Built-in 2000mAh lithium battery delivers 7-8 hours of continuous monitoring on a single charge with convenient Type-C USB recharging (3-4 hour charging time)
COMPREHENSIVE 9-IN-1 MONITORING: Measures 7 critical air pollutants (PM2.5, PM10, PM1.0, CO2, CO, HCHO/Formaldehyde, TVOC) plus temperature and humidity with real-time updates every second
COMPLETE AIR QUALITY ASSESSMENT: Comprehensive air quality index lets you know if your environment is Safe, Warns of issues, alerts to Excess pollution, or indicates Dangerous conditions
COMPACT & PORTABLE: Sleek white design (89×36×83mm) with modern square shape fits easily on desks, countertops, or nightstands - perfect for home, office, nursery, or classroom use

₹3,609.00 ₹6,000.00 40% Off