First Alert SMCO210 / SMCO210V Combo vs First Alert SMCO500V Combo
Side-by-side specs from each maker.
Only the differences are shown.
| First Alert SMCO210 / SMCO210V Combo | First Alert SMCO500V Combo | |
|---|---|---|
| Type | Smoke or CO alarm | Smoke or CO alarm |
| Alarm | combo | combo |
| Sensor | Photoelectric (smoke) and electrochemica | Photoelectric (smoke) and electrochemica |
| Power | 10-year battery (lithium metal, not replaceable) | AA (2 alkaline, replaceable) |
| Interconnect | Not listed | wireless |
| Standards (maker) | Conforms to UL 217 10th Edition Standard; Conforms to STD UL2034 | Not listed |
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
First Alert SMCO500V Combo
A battery-operated smoke and CO combo alarm with voice alerts that give the type and location of the danger. It links wirelessly with other First Alert or BRK alarms.
- Voice alerts with location
- Wireless interconnect with up to 12 other First Alert or BRK alarms and 6 other compatible devices
- Replaceable AA batteries