First Alert SC5 Smart Smoke & CO vs First Alert SM210 / SM210V / SM210L 10-Year Smoke
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 SC5 Smart Smoke & CO | First Alert SM210 / SM210V / SM210L 10-Year Smoke | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | combo | smoke |
| Sensor | Photoelectric (smoke) and electrochemica | photoelectric |
| Power | Battery-operated, CR123A lithium (replaceable) for the batte | 10-year battery (lithium metal, not replaceable) |
| Interconnect | wireless | Not listed |
| Standards (maker) | Conforms to UL 217 10th Edition Standard | Conforms to UL 217 10th Edition Standard |
| Replace after | Not listed | 10 years |
First Alert SC5 Smart Smoke & CO
A smart smoke and CO alarm with voice alerts, wireless interconnect, and phone alerts through the Resideo Connect app. The maker says it is compatible with and replaces Google Nest Protect.
- Voice alerts naming the type and location
- Phone alerts through the Resideo Connect app
- Battery and hardwire versions are separate products
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