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    Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack

    • First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
    • 10-Year battery backup provides continuous protection during power outages
    • Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound
    • Alarm indicator visually identifies the unit that initiated the alarm
    • End-of-life warning lets you know when its time to replace the alarm
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    The SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup uses 's Precision Detection advanced sensing technology and meets new industry standards. Interconnect multiple alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10-year battery backup provides continuous protection in the event of a power outage.

    Product information

    Brand
    StylePrecision Detection
    Power SourceBattery Powered
    ColorWhite
    Product Dimensions5.5"D x 2"W x 5.5"H
    Item Weight11.2 ounces
    AlarmAudible
    Operating Humidity10-95% RH
    Sensor TypeIonization
    Number of Items3
    ManufacturerResideo
    UPC029054022622
    Part NumberSMI105-AC
    Item model numberSMI105-AC
    Batteries1 9V batteries required. (included)
    Size3-Pack
    PatternSMI105-AC
    Item Package Quantity1
    Included ComponentsEasy Adapter Plug
    Batteries Included?Yes
    Batteries Required?Yes
    Battery Cell TypeLithium
    Date First AvailableSeptember 21, 2023

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