![]() ![]() Due to its Intelligent Sensing Technology, this first alert fire alarm reduces the frequency of nuisance alarms and comes with silencing options to quiet both low-battery chirps and unwanted alarms. The BRK SC9120B harnesses the power of the most accurate electrochemical carbon monoxide sensor, and combines that with best-in-class ionization technology.Īs a leading choice for accurate carbon monoxide and wired smoke alarm, the SC9120B provides the most optimal protection. Hardwired directly into your home’s electrical system, this model also comes with a backup, 9V battery intended to provide emergency power in the event of power outages. ![]() The first alert SC9120B combination smoke/carbon monoxide alarm is perfect for protecting your family against the dangers of fast-burning fires.
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