First Alert CO710 Carbon Monoxide Alarm with Digital Temperature Display vs First Alert SM210 / SM210V / SM210L 10-Year Smoke
Side-by-side specs from each maker.
First Alert CO710 Carbon Monoxide Alarm with Digital Temperature DisplayList price not published
First Alert SM210 / SM210V / SM210L 10-Year SmokeList price not published
Only the differences are shown.
| First Alert CO710 Carbon Monoxide Alarm with Digital Temperature Display | First Alert SM210 / SM210V / SM210L 10-Year Smoke | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | CO | smoke |
| Sensor | electrochemical | photoelectric |
| Power | 10-year sealed lithium battery | 10-year battery (lithium metal, not replaceable) |
| Standards (maker) | Listed to UL 2034 Standard | Conforms to UL 217 10th Edition Standard |
| Replace after | Not listed | 10 years |
First Alert CO710 Carbon Monoxide Alarm with Digital Temperature Display
A tabletop carbon monoxide alarm with a sealed 10-year lithium battery and a backlit display that shows temperature and CO level.
- Sealed 10-year battery
- Backlit digital display
- No installation
- Tabletop unit
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