






π¨ Stay safe, stay sleek β protection that lasts a decade!
The First Alert SMCO210 combines advanced photoelectric smoke and carbon monoxide detection with a 10-year sealed lithium battery, eliminating the hassle of replacements and false alarms. Its slim, modern design fits discreetly in any home, while smart Precision Detection technology ensures early, reliable alerts. With a decade-long lifespan and end-of-life warnings, itβs the ultimate low-maintenance safety upgrade for your living space.







| Brand | First Alert |
| Style | Precision Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 5.67"D x 5.67"W x 1"H |
| Alarm | Combination Alarm |
| Operating Humidity | 10-95% RH |
| Sensor Type | Photoelectric |
| Material | Plastic |
| Number of Items | 1 |
| Manufacturer | Resideo |
| UPC | 029054022233 |
| Part Number | SMCO210 |
| Item Weight | 6.4 ounces |
| Item model number | SMCO210 |
| Batteries | 1 Product Specific batteries required. (included) |
| Size | One |
| Pattern | SMCO210 |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Warranty Description | Warranty |
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