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The CO400B is a direct replacement for the BRK/First Alert BCD3BN
The CO400B is a battery operated carbon monoxide alarm designed for portability. No installation is required and can be mounted or placed almost anywhere.
- Uses 2 AA batteries (not included)
- Table top use or wall mount
- Permanent sensor
- Samples air once every second
- Calibrated at four levels for accuracy
- Test/silencer button realarms if levels persist
- Unique self testing system alerts if malfunctions
- 3 indicator lights green power status, yellow service, red warning
- 5 year limited warranty
- Meets New York, Massachusetts, & Oregon Carbon Monoxide Regulations.