First Alert BRK SC9120B (2 pack) Smoke & Carbon Monoxide Detector w/ Batt Backup

<strong>First Alert (2 pack) BRK SC9120B Smoke &amp; Carbon Monoxide (CO) Detector Alarm w/ Battery Backup<br></strong><br><strong>Brand:</strong> BRK<br><strong>MPN:</strong>&nbsp;2X-SC9120B<br><strong>Condition:</strong> New<br><br>This First Alert SC9120B Hardwired Smoke and Carbon Monoxide Detector includes a 9-volt battery backup<br>that continues to protect you in the event of a power failure.&nbsp; The alarm features electrochemical<br>CO sensing technology, an ionization sensor for smoke detection, and an 85-decibel alarm.&nbsp; One button<br>silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects<br>smoke or carbon monoxide.&nbsp; The latching alarm indicator automatically identifies which unit initiated the<br>alarm, even after the conditions that set off the alarm have subsided.&nbsp; And an end-of-life signal enhances<br>your safety by letting you know when it's time to replace the unit.&nbsp; Easily connect it to compatible BRK or<br>First Alert alarms within a single-family residence; connecting will sound all the alarms together.

• Brand: BRK
• MPN: 2X-SC9120B
  
• Condition: New
  
  
• This First Alert SC9120B Hardwired Smoke and Carbon Monoxide Detector includes a 9-volt battery backup
  that continues to protect you in the event of a power failure.  The alarm features electrochemical
  CO sensing technology, an ionization sensor for smoke detection, and an 85-decibel alarm.  One button
  silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects
• Smoke or carbon monoxide.  The latching alarm indicator automatically identifies which unit initiated the
  alarm, even after the conditions that set off the alarm have subsided.  And an end-of-life signal enhances
  your safety by letting you know when it's time to replace the unit.  Easily connect it to compatible BRK or
• First Alert alarms within a single-family residence; connecting will sound all the alarms together.