FIRST ALERT 9120B Smoke Alarm, Ionization Sensor

  • 120 V hardwired smoke alarm wires directly into your home’s electrical system
  • Ionization smoke sensor is optimal for detecting fast flaming fires
  • Gasket-less mount system for hassle-free installation
  • Easy-to-access battery drawer
  • Can integrate with up to 12 other first alert or BRK hardwired smoke detectors
  • Battery backup for detection during a power outage
  • Tamper-resistant locking pins
  • Interconnectable up to 18 units such as 12 smoke and 6 CO/heat/relay
  • Emits T3 pattern
MFG Part Number: 9120B SKU: 210426 Categories: Home & Outdoor Living, Tools, Hardware & DIY, Safety


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