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🚨 Stay ahead of danger with the CO alarm that never sleeps!
The First Alert CO400 Battery Carbon Monoxide Alarm features a highly accurate electrochemical sensor with a 5-year lifespan, powered by a replaceable 9V battery to ensure continuous monitoring even during power failures. It emits a loud 85 dB alarm when dangerous CO levels are detected, requires no installation, and includes a 5-year limited warranty. UL listed and trusted by millions, it’s designed to protect your home and loved ones from invisible carbon monoxide threats.
| ASIN | B000N8OYXI |
| Alarm | Audible |
| Best Sellers Rank | #319 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Carbon Monoxide Detectors |
| Brand | First Alert |
| Built-In Media | Alarm; Mounting Bracket; User Manual; 9V Battery |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (21,862) |
| Enclosure Material | Multi |
| Global Trade Identification Number | 00029054000699 |
| Item Dimensions D x W x H | 1"D x 5"W x 3"H |
| Item Type Name | First Alert CO400FF Battery Powered Carbon Monoxide Alarm |
| Item Weight | 11.2 ounces |
| Manufacturer | First Alert |
| Manufacturer Contact Information | 1 (800) 323-9005. |
| Manufacturer Warranty Description | 5 Year Limited Warranty |
| Mfr Part Number | CO400 |
| Model Number | CO400 |
| Number of Items | 1 |
| Operating Humidity | 10-95% RH |
| Power Source | Battery Powered |
| Product Style | Battery Powered |
| Sensor Type | Electrochemical |
| UPC | 029054000699 |
| Unit Count | 1 Count |
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