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10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector

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The specifications for this alarm says it is a sealed unit with a 10 year battery. BUT it also states the package contains 12 AA batteries (6 alarm package). Why are there AA batteries included?


Hi Mary, thank you for reaching out! The SMCO210 Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector has a 10-Year sealed battery included on its inside, and eliminates battery replacements and low battery chirps for the life of the alarm. If further questions arise, you can reach us 7 days a week via phone at 1-800-323-9005.— Charlie

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