The First Alert® SM210A 10-Year Battery Smoke Alarm has a sleek, low‑profile design and sealed 10‑year battery that eliminates the need for replacements or low‑battery chirps. It’s easy to install and simple to maintain—providing you simple, reliable detection for your home.
- Sleek, low profile design blends seamlessly into walls or ceilings
- 10-year sealed battery eliminates the cost and hassle of changing the alarm’s batteries, plus low battery chirps for the life of the alarm
- End-of-life warning lets you know when it’s time to replace the alarm
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