First Alert 3120B dual sensor smoke detector

Technical Specification

Features:
  • Make: First Alert
  • Model code: 3120B
  • Style: Photoelectric
  • Type: Smoke
Additional info:

Features photoelectric and ionization sensors for increased detection The photoelectric sensor detects smoldering fires from objects like cigarettes burning on furniture or in trash cans The ionization sensor detects fast-flaming fires like erupting kitchen grease fires or combustibles Hardwired alarm includes battery backup for power outages A single button makes alarm easy to test monthly, or silence during a false alarm Two latching features help indicate a low battery or the originating alarm in a system Optipath 360 patented technology provides 360 degrees of access to the smoke alarm

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Make First Alert
Manufacturer First Alert / BRK Brands Inc.
Model code 3120B
Style Photoelectric
Type Smoke
Additional info
  • Features photoelectric and ionization sensors for increased detection
  • The photoelectric sensor detects smoldering fires from objects like cigarettes burning on furniture or in trash cans
  • The ionization sensor detects fast-flaming fires like erupting kitchen grease fires or combustibles
  • Hardwired alarm includes battery backup for power outages
  • A single button makes alarm easy to test monthly, or silence during a false alarm
  • Two latching features help indicate a low battery or the originating alarm in a system
  • Optipath 360 patented technology provides 360 degrees of access to the smoke alarm
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