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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
FJD 82
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Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
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What Stands Out
Product Details
- Keep your family safe with this easy to use, battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately
- A loud 85 decibel alarm sounds when CO levels reach dangerous , Battery Replaceable - Yes
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- All first alert CO alarms are rigorously tested to meet UL standards
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
| Power Source | Battery Powered |
| Alarm | Audible |
| Sensor Type | Electrochemical |
| Operating Humidity | 10-95% RH |
| Product Style | Battery Powered |
| Color | White |
| Item Dimensions D x W x H | 1"D x 5"W x 3"H (2.5 x 12.7 x 7.6 cm) |
| Item Weight | 7.2 ounces (204.12 grams) |
| Enclosure Material | Multi |
| Brand | First Alert |
| Model Number | CO400 |
| Global Trade Identification Number | 00029054000699 |
| Number of Items | 1 |
| Manufacturer | First Alert |
| UPC | 029054000699 |
| Mfr Part Number | CO400 |
| Unit Count | 1.0 Count |
| Item Type Name | First Alert CO400FF Battery Powered Carbon Monoxide Alarm |
| Built-In Media | Alarm; Mounting Bracket; User Manual; 9V Battery |
| Manufacturer Contact Information | 1 (800) 323-9005. |
| Style | Battery Powered |
| Product Dimensions (L x W x H) | 1"D x 5"W x 3"H (2.5 x 12.7 x 7.6 cm) |
| Item Weight | 0.45 Pounds (200 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Homeowners
Ideal for homeowners seeking reliable carbon monoxide detection to enhance safety for families and pets.
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Renters
Great choice for renters who want portable, battery-operated detectors without the need for hardwired installations.
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Apartment Dwellers
Perfect for residents in apartments where installing hardwired systems isn't viable, ensuring safety in smaller living spaces.
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Large Houses
Not suitable for large homes requiring multiple interconnected units for comprehensive coverage and safety.
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Smart Home Users
Those seeking smart technology integration may find this basic model lacking in connectivity features.
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Heavy Duty Use
Not recommended for industrial or heavy-duty applications that require more robust carbon monoxide detection solutions.
Product Description
Customer Questions & Answers
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Question:
What are the key features of the First Alert CO400 Carbon Monoxide Detector?
Answer: The First Alert CO400 is a battery-operated carbon monoxide detector featuring a loud 85-decibel alarm that alerts you to dangerous CO levels. It has a test/silence button for easy operation and ensures proper functionality. This unit is compact and portable, allowing for use in various locations such as homes, cabins, and RVs. Additionally, it should be positioned near sleeping areas to ensure that the alarm can wake you if carbon monoxide is detected. -
Question:
How does the First Alert CO400 detect carbon monoxide?
Answer: The First Alert CO400 employs an electrochemical sensor to detect carbon monoxide, which is a colorless and odorless gas produced by incomplete combustion. The sensor reacts to CO levels in the air, triggering the alarm when concentrations reach dangerous thresholds. Proper placement of the unit is vital, as it should be installed at least 15 feet away from fuel-burning appliances, ensuring accurate readings and timely alerts. -
Question:
How long do the batteries last in the First Alert CO400 Alarm?
Answer: The First Alert CO400 typically operates for up to six months on a set of batteries, although this may vary based on the type of batteries used. Regularly testing the alarm and replacing the batteries according to the manufacturer’s recommendations is essential for maintaining optimal performance. This ensures that your alarm is always ready to alert you in case of carbon monoxide detection, protecting you and your family. -
Question:
Can the First Alert CO400 be used in an RV or travel trailer?
Answer: Yes, the First Alert CO400 is ideally suited for use in RVs and travel trailers due to its compact and battery-operated design. Its portability makes it convenient to install and relocate wherever needed. Ensuring that your RV is equipped with this detector can help safeguard against carbon monoxide exposure while on the road or during camping trips, as RVs often contain appliances that could emit carbon monoxide. -
Question:
What should I do if the First Alert CO400 alarm goes off?
Answer: If the First Alert CO400 alarm triggers, it's crucial to take immediate action. Evacuate everyone from the premises and ensure that they are in a safe location. Call emergency services and do not re-enter until it's declared safe. This protocol is vital because carbon monoxide is a serious health risk, and rapid response can save lives. Regularly rehearsing this action plan can enhance safety during real emergencies. -
Question:
Is the First Alert CO400 suitable for outdoor use?
Answer: The First Alert CO400 is designed for indoor use only and is not suitable for outdoor environments. Exposure to moisture, extreme temperatures, or harsh weather can affect its sensor and overall functionality. For outdoor applications, it's recommended to use models specifically designed for such conditions, ensuring effective detection and alerts when needed, while the indoor units provide safety for enclosed spaces. -
Question:
How can I test the functionality of my First Alert CO400 detector?
Answer: Testing your First Alert CO400 is straightforward. Use the test/silence button on the unit, which simulates carbon monoxide detection and triggers the alarm. This should be done once a month to ensure that both the sensor and alarm are functioning correctly. Confirming the operational status of your detector can provide peace of mind, knowing it is ready to alert you in case of carbon monoxide presence. -
Question:
How does the First Alert CO400 compare to other carbon monoxide detectors?
Answer: The First Alert CO400 stands out due to its straightforward battery-operated design, ease of use, and reliability. Unlike some hardwired models, this detector can be placed anywhere without the need for electrical outlets. Its 85-decibel alarm is also quite powerful compared to its competitors, making it an excellent choice for home safety. This combination of features provides confidence in its effectiveness against carbon monoxide risks. -
Question:
Do I need multiple First Alert CO400 alarms in my home?
Answer: Yes, it is advisable to have multiple First Alert CO400 alarms in larger homes or multi-level residences. At least one unit should be placed on every level and near sleeping areas to ensure comprehensive coverage. This approach minimizes risks and increases the chances of timely alerts. Ensuring the safety of all inhabitants by using multiple detectors can provide peace of mind and enhance overall safety. -
Question:
Where can I buy First Alert CO400 Carbon Monoxide CO Detector, Battery Operated Alarm, 1-Pack?
Answer: You can buy the First Alert CO400 Carbon Monoxide CO Detector in Fiji from Ubuy. They offer a convenient online shopping experience with a variety of products. Purchasing from Ubuy ensures you can access this essential safety device easily and conveniently, helping you maintain a safer living environment against carbon monoxide hazards.
FirstAlert Carbon Monoxide Detectors CO400 Editorial Review
The FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400 is a reliable detector that gives its users peace of mind. The product is compact, easy to install, and can be carried while traveling. Customers have placed the detector in their homes and garages, but it can also be installed in vehicles. The device has a red light that indicates normal operation, and it will chirp to indicate a low battery or end of the unit's life span. Although some customers received a device with a 9V battery instead of two AA batteries, they still found the product easy to use and install.
Customer Reviews & Ratings
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5 Star
79%
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4 Star
14%
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3 Star
4%
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2 Star
1%
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1 Star
2%
Review this product
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Pros
- Compact and portable
- Easy to install and use
- Gives peace of mind
- Can be used in homes, garages, and vehicles
- Detects carbon monoxide
Cons
- Some customers received the device with a 9V battery instead of two AA batteries
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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FJD 82
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Easy to use and battery operated
- Continuous monitoring of CO levels, even during power outages
- Advanced electrochemical sensor for accurate detection
- Loud 85 decibel alarm when CO levels are dangerous
- Optional wall mount with no outlet required
- 5-year limited warranty and UL listed



















