Features
- Activates auxiliary devices when alarm device sounds
- Works with compatible BRK and First Alert smoke, heat, and carbon monoxide detectors
- 120V AC powered
- Enhances the effectiveness of your detector alarm
- Great for adding a strobe light, siren, bell, door closer, or similar device
- Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
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Details were last updated on Feb 6, 2026 16:01 +08.