1
Electrochemical sensor for accurate CO detection.
Easy installation without wiring required.
Operates on 2-AA batteries (included).
Portable design for travel and rentals.
Green LED shows power status clearly.
85-decibel alarm alerts for CO presence.
Event Memory logs detection and testing history.
Average Rating out of 5:
Price Range: $18.50
Size: 1 Pack
2
Plug-in design for easy installation and usage.
Includes 2 AA battery backup for outages.
85-decibel alarm alerts for carbon monoxide detection.
Peak Level Memory tracks detection history.
Test-Hush Button for easy testing and silencing.
End of life chirp indicates replacement needed.
UL listed with 10-year limited warranty.
Average Rating out of 5:
Price Range: $24.79
Size: Pack of 1
3
Easy plug-in design for any standard outlet.
Battery backup ensures continuous monitoring during outages.
Advanced electrochemical sensor for accurate detection.
Single test/silence button for user-friendly operation.
Loud 85-decibel alarm alerts of dangerous levels.
Low battery signal mute for 8 hours of quiet.
7-year limited warranty for added peace of mind.
Average Rating out of 5:
Price Range: $27.99
Size: 1-Pack
Material: Plastic
4
2-in-1 gas and carbon monoxide detection.
Easy plug-and-play installation for convenience.
Digital display shows gas concentration levels.
85 dB alarm alerts for immediate danger.
Power saving mode for energy efficiency.
Detects multiple gases like propane and methane.
Ideal for home, RVs, and workplaces.
Average Rating out of 5:
Price Range: $27.19
Color: white
Material: ABS
5
Battery-operated for continuous CO monitoring. Advanced electrochemical sensor for accurate detection. Loud 85 decibel alarm alerts dangerous levels. Easy installation, no wiring required. 5-year limited warranty for peace of mind. End of life signal chirp for replacement alert. Trusted brand since 1958 for home safety.
Average Rating out of 5:
Price Range: $19.99
Size: Pack of 1
Material: Multi
6
4-in-1 gas and CO detection capabilities.
Real-time temperature and humidity display.
Highly sensitive and accurate sensor technology.
85dB alarm for immediate danger alerts.
Perfect for home, RV, and apartments.
Easy plug-in installation for convenience.
Comprehensive safety for your living space.
Average Rating out of 5:
Price Range: $30.59
Size: 1 PACK
Material: ABS
7
Battery-powered for easy, flexible installation.
Detects carbon monoxide using advanced electrochemical technology.
Includes 2-AA batteries for immediate use.
Green LED indicates unit is powered on.
85-decibel alarm alerts you to CO presence.
Peak Level Memory logs previous CO detection.
Test-Hush button for easy testing and silencing.
Average Rating out of 5:
Price Range: $27.94
Size: KN-COPP-B-LPM
8
10-year battery for uninterrupted safety.
Digital display shows temperature and CO levels.
Loud 85-decibel alarm for dangerous CO levels.
Peak Level feature tracks highest CO concentration.
End-of-life signal chirp for timely replacement.
Meets rigorous UL testing standards.
Trusted brand since 1958 for home safety.
Average Rating out of 5:
Price Range: $44.75
9
3-in-1 functionality: CO, temperature, and humidity monitoring.
Sensitive electrochemical sensor for accurate detection.
85dB alarm alerts for safety and awareness.
Easy plug-and-play installation for convenience.
Ideal for home, office, and travel use.
90-day worry-free returns and exchanges available.
Compact design for portability and easy storage.
Average Rating out of 5:
Price Range: $29.99
Material: ABS
10
10-year lifespan for long-lasting protection.
Powered by replaceable AA batteries for convenience.
Compact and portable for easy travel.
Versatile placement on desks or walls.
Simple buttons for urgent situations.
Clear display shows current CO levels.
Tri-color LED indicates alarm status easily.
Average Rating out of 5:
Price Range: $13.39
Size: 1-Pack
11
2 Pack for home safety and convenience.
High sensitivity sensors for accurate detection.
LCD display shows gas concentration levels.
85 dB alarm alerts for dangerous conditions.
9V battery backup for power outages.
Detects multiple combustible gases and CO.
Power saving design with auto display off.
Average Rating out of 5:
Price Range: $59.99
Color: white
Material: ABS
12
3-in-1 CO, temperature, and humidity monitoring. High accuracy with imported electrochemical sensor. Voice and visual alarms for safety alerts. Plug-and-play design for easy use. Portable and lightweight for travel convenience. Big color LCD for easy readability. Suitable for various indoor environments.
Average Rating out of 5:
Price Range: $33.99
13
Plug-in design for easy installation anywhere.
Digital LED display shows CO levels clearly.
85-decibel alarm alerts dangerous CO levels.
Patented with UL1484, CE, RoHS certifications.
Portable and ideal for home, hotel, or RV.
3-year timer ensures optimal device performance.
Lifetime warranty for peace of mind.
Average Rating out of 5:
Price Range: $24.99
Size: 1Pack
Material: Plastic
14
4-in-1 sensor for comprehensive safety monitoring. Real-time gas and CO concentration display. Easy plug-and-play installation for convenience. 85dB alarm alerts for immediate danger. Temperature and humidity monitoring for home comfort. Upgraded round color screen for easy readability. Ideal for homes, RVs, and various establishments.
Average Rating out of 5:
Price Range: $79.53
Material: ABS
15
Monitors CO, temperature, and humidity levels.
Plug-and-play design for easy installation.
Uses advanced electrochemical sensor for accuracy.
Alerts with sound and light at dangerous levels.
Compact and portable for various locations.
Clear LCD display for easy readability.
180-day worry-free return or exchange policy.
Average Rating out of 5:
Price Range: $27.99
Material: ABS
16
High-precision electrochemical sensor for accurate detection. 85 dB alarm for immediate emergency response. Rapid identification of carbon monoxide leaks. Power-saving mode for energy efficiency. Includes three detectors for comprehensive coverage. Easy installation with included screws and manuals. Reliable safety for home, office, and restaurant use.
Average Rating out of 5:
Price Range: $38.69
Size: 3PACK
17
Plug-in design for easy installation.
9-volt battery backup ensures continuous protection.
Digital LED display for real-time CO levels.
85-decibel alarm alerts when CO is detected.
Peak Level Memory tracks past CO events.
Compact size fits any standard outlet.
Reliable safety for your home and family.
Average Rating out of 5:
Price Range: $42.94
Size: 1 Pack
18
High accuracy with advanced electrochemical sensor.
Quick alarm at dangerous CO levels.
85dB alarm covers 215-430ft² area.
Battery powered, no socket needed.
Easy wall or ceiling installation.
Real-time CO level monitoring on LCD display.
Protects against invisible carbon monoxide threats.
Average Rating out of 5:
Price Range: $8.99
19
Accurate real-time CO detection for safety.
Integrated temperature and humidity monitoring.
Clear LED display with adjustable brightness.
85dB alarm for immediate alerts.
Compact and lightweight for portability.
Easy plug-and-play installation.
12-month warranty for assurance.
Average Rating out of 5:
Price Range: $19.99
Material: Plastic
20
Detects CO levels from 0 to 1000 PPM.
Custom alarm thresholds for early detection.
Monitors real-time temperature and humidity.
1000mAh battery lasts up to 168 hours.
Compact design fits easily in your pocket.
Audio-visual alarms for double safety protection.
Includes Type-C charging cable and lanyard.
Average Rating out of 5:
Price Range: $45.99
Color: Dark Blue
21
3-in-1 monitoring: CO, temperature, and humidity.
Easy plug-and-play installation for convenience.
Highly accurate imported electrochemical sensor.
Voice and light alarm for safety alerts.
Professional sensors for precise environmental readings.
Suitable for various locations and settings.
90-day unconditional return and exchange policy.
Average Rating out of 5:
Price Range: $27.97
Material: ABS
22
4-in-1 gas and CO detection in one device.
Dual sensors ensure fast, accurate alerts.
Loud alarm and flashing light for emergencies.
Plug-in design with low power consumption.
Clear LCD displays real-time gas levels.
Compact design fits homes, RVs, and hotels.
Easy setup with calibration instructions included.
Average Rating out of 5:
Price Range: $37.97
23
Track indoor air quality effortlessly.
Monitors PM 2.5, VOCs, CO, humidity, temperature.
Color-coded LED indicates current air quality.
Receive notifications for poor air quality.
Integrate with Alexa for smart routines.
Enhance comfort with temperature sensor data.
Easy setup, perfect for non-experts.
Average Rating out of 5:
Price Range: $54.99
24
Advanced electrochemical sensors for accurate CO detection.
Plug-and-play design for easy installation anywhere.
Portable and lightweight for convenient travel use.
Large LCD screen displays CO levels, temperature, humidity.
Loud 85dB alarm alerts to dangerous CO levels.
Ideal for home, hotel, RV, or rental safety.
90-day return policy for reliable customer support.
Average Rating out of 5:
Price Range: $26.55
Size: 1Pack
Material: Plastic
25
Advanced sensor for quick carbon monoxide detection.
Easy battery installation, no wiring required.
Multiple alarm levels for safety awareness.
User-friendly with single test/reset button.
Loud 85-decibel alarm for immediate alerts.
Versatile use in homes, hotels, and outdoor activities.
Continuous monitoring ensures family safety at all times.
Average Rating out of 5:
Price Range: $16.99
26
Detects CO from 0 to 1000 PPM.
Includes temperature sensor for added safety.
Visual and audible alarm for immediate alerts.
Four test modes for versatile usage.
Portable design with easy one-hand operation.
3 years service and lifetime technical support.
Average Rating out of 5:
Price Range: $34.99
Color: Yellow
27
Plug-in design with battery backup for reliability.
Advanced electrochemical sensor for accurate detection.
Digital display shows current carbon monoxide levels.
Loud 85 decibel alarm for immediate alerts.
Peak level feature records highest CO concentration.
End of life signal chirp for safety reminders.
Meets rigorous UL standards for safety assurance.
Average Rating out of 5:
Price Range: $40.26
Size: 1 pack
Material: Non-Precious Metal
28
Advanced electrochemical CO sensor for accurate detection.
Compact size: 1.85*3.15*1.02 inches.
Easy-to-use digital display with sound alarm.
Battery-operated; requires 3 AAA batteries (not included).
Test/reset button for simple operation.
85 decibel alarm alerts for dangerous CO levels.
Complies with UL2034 safety standards.
Average Rating out of 5:
Price Range: $15.99
29
4-in-1 gas and CO detector for safety.
Fast response with dual alarm system.
Eco-friendly, energy-efficient design.
Clear LCD display for easy readings.
Compact size for versatile use.
Compatible with AC 110V~220V power sources.
Durable sensor reduces frequent replacements.
Average Rating out of 5:
Price Range: $32.39
Material: ABS
30
Flexible installation: wall-mounted or freestanding options.
High accuracy with advanced electrochemical CO sensor.
85-decibel alarm for instant alerts and warnings.
Intuitive 3-colored LED indicator for status alerts.
Informative LCD shows CO levels and peak value.
5-year replaceable battery for long-lasting use.
Compact design, perfect for travel and portability.
Average Rating out of 5:
Price Range: $28.99
Size: 1-Pack (Standalone Model)
Material: ABS