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The First Alert sc-9120b hardwired combination smoke and carbon monoxide alarm uses electrochemical Co sensing technology and ionization sensor for smoke detection. This hardwired dual Co smoke alarm can be connected to other compatible BRK or First Alert hardwired Co smoke detectors within a single-family residence. The latching alarm indicator automatically identifies which unit initiated the alarm-even after the conditions that set off the alarm have subsided. Using a 9-volt backup battery, the smoke and carbon monoxide detector can function even in the event of a power outage. Additionally, the Co smoke alarm features a single test and silence button, as well as indicator lights that let you know whether the danger is smoke or carbon monoxide. The tamper-resistant locking brackets and universal mounting brackets make installation easy. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
Frequently Asked Questions
- Q: What types of hazards does the First Alert BRK SC9120B-6 detect? A: The First Alert BRK SC9120B-6 is designed to detect both smoke and carbon monoxide (CO) hazards, providing 2-in-1 protection for your home.
- Q: Is the First Alert BRK SC9120B-6 hardwired or battery-operated? A: The First Alert BRK SC9120B-6 is a hardwired smoke and carbon monoxide detector, but it also includes a 9-volt battery backup to ensure functionality during power outages.
- Q: Can I connect the First Alert BRK SC9120B-6 with other alarms? A: Yes, the First Alert BRK SC9120B-6 can be interconnected with other compatible BRK or First Alert hardwired smoke and CO detectors within a single-family residence for enhanced safety.
- Q: How do I test the First Alert BRK SC9120B-6 alarm? A: The alarm features a single test button that allows you to easily test the functionality of the smoke and carbon monoxide detector regularly.
- Q: What is the installation process for the First Alert BRK SC9120B-6? A: The First Alert BRK SC9120B-6 comes with easy adapter plugs and tamper-resistant locking brackets, making installation straightforward and eliminating the need for rewiring.

