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The Kidde 21007581 Firex 120V Ion Smoke Detector operates on a 120V power source with 9V battery back-up. This alarm uses ionization sensing technology to detect invisible fire particles. The front-loading battery door allows for easy battery changes without removing the alarm. It is a UL Listed product.
The Kidde 21007581 smoke alarm features a front-loading battery door, ionization sensor, and can be interconnected with other Kidde devices.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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