






🚨 Stay safe, stay sleek — protection that lasts a decade!
The First Alert SMCO210 is a cutting-edge combination smoke and carbon monoxide alarm featuring advanced Precision Detection technology to minimize false alarms. Powered by a 10-year sealed lithium battery, it guarantees a decade of maintenance-free safety. Its slim profile design fits discreetly in any home, while end-of-life alerts ensure continuous protection without surprises.







| Brand | First Alert |
| Style | Precision Detection |
| Power Source | Battery Powered |
| Color | White |
| Product Dimensions | 5.67"D x 5.67"W x 1"H |
| Item Weight | 0.41 Pounds |
| 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 | 6.6 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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