Description
First Alert BRK CO605B Carbon Monoxide Plug-In Alarm with Battery Backup
The First Alert BRK CO605B is a plug-in carbon monoxide alarm designed to provide dependable, around-the-clock protection against the dangers of CO buildup in residential environments. Combining the convenience of a direct plug-in installation with the security of battery backup, this alarm keeps your household protected even during power outages — making it an essential safety device for any home.
Key Features
- Plug-in design for easy, tool-free installation into standard AC wall outlets
- Battery backup ensures continuous CO monitoring during power interruptions
- Loud audible alarm alerts occupants to dangerous carbon monoxide levels
- Electrochemical CO sensing technology for accurate, reliable detection
- Test/silence button for quick functionality checks and alarm silencing
- Low battery indicator alerts you when battery replacement is needed
- Compact, unobtrusive form factor fits neatly into any room
- Ideal for use near bedrooms, living areas, and utility rooms
Why Carbon Monoxide Detection Matters
Carbon monoxide is a colorless, odorless gas produced by fuel-burning appliances such as furnaces, boilers, water heaters, and gas ranges. Without a dedicated CO alarm, dangerous concentrations can go undetected. The BRK CO605B provides the early warning needed to protect your family and comply with CO alarm requirements in many jurisdictions.
Ideal Applications
- Single-family homes with gas, oil, or propane heating systems
- Apartments and condominiums
- Homes with attached garages
- Any space with fuel-burning appliances or fireplaces
Product Details
- Brand: First Alert / BRK
- Model / SKU: CO605B
- Alarm Type: Carbon Monoxide (CO)
- Power Source: AC plug-in with battery backup
- Sensing Technology: Electrochemical







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