Carbon Monoxide Detectors Plug in, 3-in-1 Portable CO Detector with Temperature & Humidity Display for Home, Hotel, RV & Travel
$19.99
Price: $19.99
(as of Feb 15, 2026 16:43:43 UTC – Details)
From the brand
3 IN 1 CO DETECTOR
Detects Carbon Monoxide, Temperature & Humidity
YOJOCK specialises in a wide range of inspection type equipment and all types of tools, providing high quality tools for professionals and those who need professional equipment to build and repair, so that everyone can enjoy the process of inspection or repair.
At YOJOCK, we are dedicated to ensuring your satisfaction. If you encounter any issues or have concerns, our team is here to provide support and assistance to enhance your experience.
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【3-in-1 Carbon Monoxide Detector】One plug-in device for total protection—accurately detects carbon monoxide, temperature, and humidity, ideal for home, hotel, office, travel, and more.
【High-Accuracy Sensor】 Equipped with an advanced electrochemical sensor, this plug-in CO detector provides fast and reliable monitoring of carbon monoxide (0–1000 PPM), responding in just 5 seconds to help keep you and your loved ones safe.
【85dB Audio & Visual Alarm】 The loud 85dB alarm and flashing red light activate when CO levels reach 150 PPM, instantly reminding you to take action and stay safe.
【Portable & Energy-Saving】Travel-friendly plug-in CO detector (2.9 × 3.1 × 2 in, 0.19 lb) fits easily into your bag and suitcase. Low power consumption (≤2W) keeps it running efficiently, costing only about $0.17 per month. Perfect for home, office, hotel, or travel, providing reliable protection wherever you go.
【3-Year Warranty & Support】Includes one portable CO detector, instruction manual, and a 3-year warranty. If you need assistance, our responsive customer service team is ready to help within 24 hours, ensuring peace of mind with every purchase.
8 reviews for Carbon Monoxide Detectors Plug in, 3-in-1 Portable CO Detector with Temperature & Humidity Display for Home, Hotel, RV & Travel
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$19.99
Judy Y –
Works great.
Works great. Lightweight. Functional. Just what we needed. Bonus having temperatire
Darrell S Williams –
No problem so far!!
Seems like a nice item, looks great and operating pretty good.
Brooke77 –
love it
I love that this does more than just carbon monoxide detection! It also tells me the temperature and humidity levels which is very helpful in my high humidity home. It comes in at a good price for what you’re getting. I think it is well worth the purchase. It goes right in a standard plug and you’re good to go.
Uzoamaka –
Works as promised
Exactly like picture. The readings are always the same, sometimes I wonder if it’s really monitoring anything
TRUTHFUL reviews… Business owner –
GREAT things come in small packages!
I found this to be an excellent secondary carbon monoxide detector that was simple to figure out and just plug in! Using this for inside my garage to make sure carbon monoxide from the car is not going in my attached dining room. Great things do come in small packages with a great price to match!
Iowa Farm Girl –
Portable
This has worked very well for me. It’s small and portable so when I travel I take it with me to use in my motel room.
nancy larios –
Great size
Great carbon monoxide it talks to you it lites up nicely the reading and I love the plug in we can travel with it to our hotels
Amazon Customer –
No battery backup
No battery backup