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What’s the Difference Between Photoelectric and Ionization Smoke Alarms?
Kidde offers photoelectric, ionization smoke alarms, & dual-sensor alarms. All meet the current UL standard for smoke alarms. Learn more about the types of alarms.
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This is usually caused by the absence of AC power to the smoke alarm.
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Combination alarms save space in your home, and they mean you only need to test and change batteries in one device rather than two.
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