First Alert SM210 / SM210V / SM210L 10-Year Smoke vs First Alert SMCO210 / SMCO210V Combo
Side-by-side specs from each maker.
First Alert SM210 / SM210V / SM210L 10-Year SmokeList price not published
Only the differences are shown.
| First Alert SM210 / SM210V / SM210L 10-Year Smoke | First Alert SMCO210 / SMCO210V Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Sensor | photoelectric | Photoelectric (smoke) and electrochemica |
| Power | 10-year battery (lithium metal, not replaceable) | 10-year battery (lithium metal, not replaceable) |
| Standards (maker) | Conforms to UL 217 10th Edition Standard | Conforms to UL 217 10th Edition Standard; Conforms to STD UL2034 |
| Replace after | 10 years | Not listed |
First Alert SM210 / SM210V / SM210L 10-Year Smoke
A photoelectric smoke alarm with a sealed 10-year lithium battery and a slim profile. Voice and path-light versions are separate models from the same maker.
- Sealed 10-year battery
- UL 217 10th edition
- The maker lists a lifespan of about 10 years
- Smoke only, no CO sensing
First Alert SMCO210 / SMCO210V Combo
A battery-powered smoke and carbon monoxide combo alarm with a sealed 10-year lithium battery.
- Sealed 10-year battery, no battery swaps
- UL 217 10th edition and UL 2034
- Slim profile