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9120B Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White
Sku: 18200606
$ 18.99
4 Available at SAN MARCOS
Location: Aisle 36
Description Expand Icon Collapse Icon
Designed to help promote household safety, the First Alert 9120B hardwired smoke alarm with battery backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
Features Expand Icon Collapse Icon
  • 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
Specifications Expand Icon Collapse Icon
9 V Battery
Operating Temperature
40 to 100
5.6 in L x 1.9 in W x 5.6 in H
Power Supply
Sensor Type
Sound Level