First Alert 3120B First Alert 3120B Hardwired Combination Smoke Alarm, 120 V, Ionization/Photoelectric

First Alert 3120B Hardwired Combination Smoke Alarm, 120 V, Ionization/Photoelectric

SKU: 587857

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About the First Alert 3120B

First Alert 3120B Hardwired Combination Smoke Alarm, 120 V, Ionization/Photoelectric

Mpn # 3120B
Shipping Dimensions 10.8" x 7.9" x 11.0"
Weight 0.70 lbs.
Shipping Dimensional Weight 5.30 lbs.
  • Type: Hardwired, Combination
  • Voltage Rating: 120 V
  • Frequency Rating: 60 Hz
  • Battery Size: AA
  • Sensor Type: Ionization/Photoelectric
  • Utilizes both ionization and photoelectric smoke sensors for maximum protection
  • Two latching alarm latch and low battery latch
  • Two silence alarm silence and low battery silence
  • Two AA battery backup
  • Optipath 360 technology
  • Made for residential and institutional use as defined by standard NFPA101
  • Runs during power outages with (2) AA backup batteries

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