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| SKU | vtv4553 |
| GTIN | 00029054000699 |
| Brand | First Alert |
| Model Name | CO400FF |
| Model Number | CO400 |
| Color | White |
| Material | Multi |
| Dimensions (L x W x H) | 5 inches x 1 inch x 3 inches (12.7 cm x 2.54 cm x 7.62 cm) |
| Item Weight | 0.32 kg (0.7 lb) |
| Power Source | Battery Powered (1 x 9V battery included) |
| Voltage | Not applicable (battery operated) |
| Operating Humidity | 10-95% RH |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
This item:
First Alert CO400 Battery Operated Carbon Monoxide Detector | Electrochemical Sensor, 85dB Alarm, 5-Year Life
4,876
This item
First Alert CO400 Battery Operated Carbon Monoxide Detector | Electrochemical Sensor, 85dB Alarm, 5-Year Life
4,876
Total price:
38,282
You save 6,292 (14%) Extra3 items selected
3 items
38,282You save 6,292 (14%) Extra
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Ensure Your Home's Safety with Reliable CO Detection
The First Alert CO400 carbon monoxide detector offers reliable home safety with its advanced electrochemical sensor, ensuring accurate detection of dangerous CO levels. Its battery-powered operation provides continuous monitoring, crucial for Indian households experiencing frequent power fluctuations or relying on gas appliances. The unit includes a loud 85-decibel alarm and a test/silence button for easy functionality checks.
Designed for ease of use, this detector requires no installation and can be placed anywhere, with an optional wall mount included. It features an audible and visual low-battery signal, alerting you to replace the 9V battery. The permanent sensor lasts up to 5 years, and an end-of-life signal chirp indicates when replacement is necessary, ensuring ongoing protection.
For comprehensive safety, place one detector on each level of your home and in each bedroom. This UL-listed device comes with a 5-year limited warranty. All customs duties and GST are included in the listed price, and it ships via ExpressBox for reliable delivery across India.
Reliable CO Detection for Indian Homes
The First Alert CO400 uses an advanced electrochemical sensor, the most accurate technology for detecting carbon monoxide. This is critical in India, where gas geysers, generators, and enclosed cooking spaces can pose a significant risk. Its battery-powered design ensures continuous monitoring, providing essential safety even during frequent power outages common in many regions. The loud 85-decibel alarm is designed to alert occupants effectively, while the 5-year sensor life offers long-term peace of mind. Unlike basic alarms, its permanent sensor and end-of-life chirp ensure you know when it's time for replacement, maintaining optimal protection.
Who It's For vs. Who Should Consider Alternatives
This detector is ideal for homeowners, renters, and families in India seeking reliable, battery-operated carbon monoxide detection. It's perfect for placement near sleeping areas, in rooms with gas appliances like geysers or stoves, or near generators. If your home has consistent power and you prefer a plug-in unit with a digital display showing CO levels in PPM, you might consider a different model. However, for straightforward, dependable, battery-powered safety that works during power cuts, the CO400 is an excellent choice.
Typical situations where First Alert CO400 Battery Operated Carbon Monoxide Detector | Electrochemical Sensor helps — illustrative scenarios, not customer reviews.
A family in Delhi relies on a gas geyser for hot water and uses a generator during frequent power cuts.
The First Alert CO400's battery operation guarantees continuous monitoring, essential during power outages. Its electrochemical sensor accurately detects CO from the geyser, and the 85dB alarm alerts the family, providing critical safety where power interruptions are common.
A homeowner in a multi-level apartment in Mumbai wants reliable CO detection without complex installation or voltage concerns.
This detector is ideal due to its simple battery-powered setup and optional wall mount, requiring no electrical outlets. It offers peace of mind across all levels, especially in bedrooms, with a 5-year sensor life and reliable alerts against CO risks from cooking or generators.
| Sensor Type | Electrochemical |
| Battery Type | 9V Alkaline |
| Recommended Use | Indoor, continuous monitoring |
| Alarm Loudness | 85 decibels |
| Sensor Lifespan | Up to 5 years |
| Warranty | 5 Year Limited Warranty |
| Included Components | CO Detector, 9V Battery, Mounting Bracket, User Manual |
| Cost per year of use | ₹975 per year — based on 5-year sensor life |
| Feature | First Alert CO400 | Others |
|---|---|---|
| Sensor Technology | Advanced Electrochemical Sensor for high accuracy. | Varies by brand; some may use less accurate or older sensor types. |
| Power Source | Battery Operated (9V replaceable) — works during power outages. | Often plug-in (120V US-style or 230V Indian-style) or battery-operated; availability varies. |
| Sensor Lifespan | Permanent sensor lasts up to 5 years with end-of-life alert. | Typically 5-7 years, but check specific model for end-of-life indicators. |
| Alarm Loudness | Loud 85-decibel alarm. | Generally 85dB, but specifications can differ. |
| Warranty | 5-Year Limited Warranty. | Typically 1-5 years, check manufacturer details. |
About First Alert
First Alert is a trusted leader in home safety, pioneering the first residential smoke alarm in 1958 and continuing to innovate in detection technology.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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| Attributes | Current |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price |
11,982 12,945 |
21,424 26,620 |
6,780 10,702 |
4,568 5,867 |
5,904 6,226 |
6,272 7,996 |
| Rating | 4.88(8) | 4.60(23K+) | 4.88(8) | 4.60(23K+) | 4.70(19K+) | 4.70(19K+) | 4.50(340) |
| Brand Name | First Alert | First Alert | First Alert | First Alert | Kidde | Kidde | Eagle Abrasives |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
