Smoke Detector Sensor - Contact Type for 110VAC

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The Kidde i12040 is an AC/DC powered ionization smoke alarm operating on a 120V power source with 9V battery backup. The Kiddie i2040 is an interconnected ionization smoke alarm that provides a dependable warning against potential fires through its ability to link up with other Kidde-compatible alarms. This means you'll be able to hear a single alarm no matter where you are in your home. The 120V AC-powered alarm provides the earliest warning of smoke or fire threats even during power outages.

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