First Alert SC5 Smart Smoke & CO vs First Alert SMCO500V Combo
Side-by-side specs from each maker.
Only the differences are shown.
| First Alert SC5 Smart Smoke & CO | 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 | Battery-operated, CR123A lithium (replaceable) for the batte | AA (2 alkaline, replaceable) |
| Interconnect | wireless | wireless |
| Standards (maker) | Conforms to UL 217 10th Edition Standard | Not listed |
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 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