First Alert Ionization Sensor AC/DC Smoke Alarm

Item #: 557102 Model #: 9120B

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" octagonal. Locking feature deters removal of battery. Silence button quiets alarm while occupants respond. Limited 10 year warranty. UL (Underwriter's Laboratories) listed.

Contact your local store for pricing and availability.

Specifications

Brand First Alert
Power Source Hardwire
Dimensions 5.6" x 5.6" x 2"
Battery Back-up Yes
Sensor Type Ionization
Voltage 120V
Alarm Type Smoke
Decibel Level 85dB
Color White
Battery Type 9V Battery
Batteries Included Yes
UL Listed Yes
Warranty 10 Year Limited
Package Quantity 1

Description

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" octagonal. Locking feature deters removal of battery. Silence button quiets alarm while occupants respond. Limited 10 year warranty. UL (Underwriter's Laboratories) listed.

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