First Alert SM210 / SM210V / SM210L 10-Year Smoke vs First Alert SMICO100-AC Hardwired 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 SMICO100-AC Hardwired Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | smoke | combo |
| Sensor | photoelectric | Ionization (smoke) and electrochemical |
| Power | 10-year battery (lithium metal, not replaceable) | Hardwired with 9V alkaline battery backup (replaceable) |
| Interconnect | Not listed | wired |
| Standards (maker) | Conforms to UL 217 10th Edition Standard | Not listed |
| 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 SMICO100-AC Hardwired Combo
A hardwired smoke and CO combo alarm with a 9V battery backup. It uses an ionization smoke sensor and an electrochemical CO sensor, and interconnects by wire with other compatible alarms.
- Hardwired interconnect with up to 12 other First Alert or BRK alarms and 6 other compatible devices
- 9V battery backup
- 10 year limited warranty
- Smoke sensing is ionization only
- Needs wiring into household power