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🔥 Compact power, lasting safety — protect your space with zero compromises!
The First Alert SM210M is a micro smoke alarm featuring advanced Precision Detection technology that reduces false alarms while providing early fire warnings. Its ultra-compact 1.5-inch design fits discreetly anywhere, powered by a 10-year sealed lithium battery that eliminates the need for replacements or low-battery chirps. With an end-of-life alert and easy test/silence button, it offers reliable, maintenance-free protection for a full decade.
| Brand | First Alert |
| Style | Precision Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 1.5"D x 1.5"W x 1.5"H |
| Item Weight | 2.56 ounces |
| Alarm | Smoke |
| Sensor Type | Photoelectric |
| Number of Items | 1 |
| Manufacturer | Resideo |
| UPC | 029054021939 |
| Part Number | SM210M |
| Item model number | SM210M |
| Batteries | 1 Product Specific batteries required. (included) |
| Size | 1-Pack |
| Pattern | SM210M |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
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