






🚨 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, half-depth design blends effortlessly into your home, while end-of-life alerts ensure you’re always protected.







| Manufacturer | Resideo |
| Part number | SMCO210 |
| Item Weight | 186 g |
| Product Dimensions | 14.4 x 14.4 x 2.54 cm; 185.97 g |
| Batteries | 1 Product Specific batteries required. (included) |
| Item model number | SMCO210 |
| Size | 1-Pack |
| Color | White |
| Style | Smoke, CO |
| Material | Plastic |
| Pattern | SMCO210 |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
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