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Amy Rainey
Reviewed in the United States on May 25, 2025
I was very impressed by this little detector. You can actually unplug it and take it to where you think you might have a problem. Plus it detects a ton of different things. Very nice, especially for the cost. Easy to use also.
maria esperanza jaramillo marin
Reviewed in the United States on May 22, 2025
Reliable, easy to use. The device is compact and worth the price. I like it is portable and you can charge around the house to check on carbon monoxide and combustible gas leaks. Display is big and bright that makes easy to see and use and understand. I really impressed and you need to have one for you healt and safety of fire go buy now do be afraid buy
Xiang W.
Reviewed in the United States on May 17, 2025
I recently purchased this 4-in-1 Carbon Monoxide and Natural Gas Detector, and it’s one of the most reassuring additions to my home. I love how it combines CO detection, natural gas monitoring, and even tracks temperature and humidity—all in a single unit.Setup was quick and easy. After plugging it in and waiting the recommended 180 seconds for calibration, I did the self-test, and everything worked perfectly. The HD digital display is bright and easy to read, showing real-time levels with clear numbers. It’s reassuring to be able to glance at it and instantly know that everything is safe.What really stands out is the dual alert system. It’s loud and noticeable—over 85 dB with flashing red lights—so I feel confident it would catch my attention if anything were wrong, even from another room.The built-in backup battery is another great feature.
RZ
Reviewed in the United States on May 16, 2025
I’ve been using this carbon monoxide detector for over a week now, plugged in down in the basement near the water heater and furnace. It hasn’t gone off—which is exactly what I was hoping for. While it hasn’t changed anything in my daily routine, it definitely gives me greater peace of mind. I also appreciate the flexibility: it works both plugged in and on battery power, which makes it very convenient. Overall, a reassuring and practical device.
John Goode
Reviewed in the United States on May 15, 2025
This is a neat little device. I like that it is portable after charge and you can use it around the house to check on carbon monoxide and combustable gas leaks. The display is big and bright and easy to read and understand. It comes with a small wrist holder so you can take it with you to hotels and other places to check the levels while you are away from home. The good news is, my home doesn't have any gas leaks or carbon monoxide, so I haven't seen it in action, outside of the recommended tests that you are asked to do in the instructions (use a butane lighter and light a piece of paper). If there is any downside to this its that I want to purchase more to put around the house. I'm going to keep this one in the basement for now, but may have to buy more vs. occasionally carrying it around the house. Nice job IQYEF!
BuGuanFamily
Reviewed in the United States on May 14, 2025
I personally like the design of this device aesthetically. I also like that this can be plugged in and even with a power outage- there is a built in power. My favorite feature is that this also has a humidity and temperature detector. I haven’t burnt paper to test it yet but will update if the carbon monoxide detector works. But so far it seems like humidity measurer is accurate as it matches to my other humidity detector.
Wilson Wang
Reviewed in the United States on April 29, 2025
I’m really impressed with this CO, Gas, Temperature, and Humidity monitor. The build quality is excellent, and the device is surprisingly compact, which makes it easy to place anywhere without taking up much space. Despite its small size, it offers powerful functionality and clear, easy-to-read display.One of the best things is that it’s plug-in powered, so I never have to worry about battery life. Our kitchen didn’t have a carbon monoxide detector before, and this one was the perfect solution—just plug it into a wall outlet and it’s ready to go. It’s super convenient and gives us peace of mind. I’m very happy with this purchase!
Amie P
Reviewed in the United States on April 28, 2025
This is a great digital product to show you if there is any carbon monoxide gas in the air. It also shows humidity and temperature. The temperature is the inside temperature which is fine but when you have your heat on and the house closed up you already know that. I just got it though and may appreciate knowing that more in spring/summer. I do like the convenience of taking it along when we travel in our rv.
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