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First Alert

First Alert Hardwired 120V Ionization Smoke Alarm

Model #9120B Item #557102 UPC 00029054513014
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Product overview
120V (volt) AC (alternating current) wired-in smoke alarm with 9V battery back-up. Ionization sensor detects fast flaming fires. Battery compartment swings out, making battery installation easier and faster. Universal mounting bracket centers on any size electrical box up to 4 In. octagonal. Locking feature deters removal of battery. Battery life varies according to use and application. Silence button quiets alarm while occupants respond. Limited 10-year warranty. UL (Underwriter's Laboratories) listed.
  • Ionization sensor
  • Wired-in with 9V battery back-up
  • Universal mounting bracket centers on any size electrical box up to 4 In. octagonal
  • Locking feature deters removal of battery
  • 10-year limited warranty
  • UL Listed
Color WHITE
Voltage 120
Type Hardwired
Dimensions 5.6 In. W. x 2 In.H. x 5.6 In. L.
Warranty 10 Yr. Limited
Certification UL Listed
Battery Type 9V
Batteries Included Yes
Battery Life Varies According To Application
Sensor Type Ionization
Battery Back-up Yes
Alarm Type Smoke
Power Source Hardwired
Width (In.) 5.6
Height (In.) 2
Length (In.) 5.6
Noise Rating (dB) 85
Brand First Alert
UPC 00029054513014