Device profile · Specifications & compatibility
First Alert SC5 Hardwire Smart Smoke & CO Alarm
First Alert · Smoke & CO Detectors · Model SMCO600NV-AC
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- First Alert SC5 Hardwire Smart Smoke & CO Alarm lists Smoke; Low Battery Alerts; 2.4 GHz Wi-Fi.
- Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance.
Browse more from First Alert or explore all smoke & co detectors in our catalog.
- Recorded year
- 2025
- Recorded warranty
- 10 years
- Dimensions
- 146 x 146 x 41 mm
- Weight
- 422g
The details that shape your choice
First Alert SC5 Hardwire Smart Smoke & CO Alarm Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
First Alert SC5 Hardwire Smart Smoke & CO Alarm: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
Low-battery alerts are recorded, providing a maintenance notification to verify in the chosen platform. Check the alert destination and how disconnected-device status is handled. Notifies when the backup battery is low, plus an End-of-Life Warning when it is time to replace the alarm.
View Low Battery Alerts details →
What to consider
Matter is listed as unsupported; check another documented integration if Matter is essential to your setup.
View Matter details →Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home.
View Apple Home details →Temperature alerts are recorded as unavailable.
View Temperature Alerts details →
Still needs verification
Confirm these details if they matter to your setup.
Questions About First Alert SC5 Hardwire Smart Smoke & CO Alarm
What is the smoke-detection capability of First Alert SC5 Hardwire Smart Smoke & CO Alarm?
Smoke: Yes. Verify the exact alarm model, applicable certification, placement and testing instructions; catalog data does not establish safety compliance. Photoelectric sensing technology, generally more sensitive to smoldering fires.
View Smoke specifications →Does First Alert SC5 Hardwire Smart Smoke & CO Alarm support a self-test feature?
No, according to the listed specifications. Verify what the self-test checks and follow the manufacturer’s required manual testing routine.
View Tests Itself specifications →Does First Alert SC5 Hardwire Smart Smoke & CO Alarm support Matter?
No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
View Matter specifications →Does First Alert SC5 Hardwire Smart Smoke & CO Alarm work with Apple Home?
No, according to the listed specifications. Check the model, firmware, exposed controls and any additional hardware requirements.
View Apple Home specifications →Does First Alert SC5 Hardwire Smart Smoke & CO Alarm report a low battery?
Yes, according to the listed specifications. Check the alert destination and how disconnected-device status is handled. Notifies when the backup battery is low, plus an End-of-Life Warning when it is time to replace the alarm.
View Low Battery Alerts specifications →Explore the full picture
First Alert SC5 Hardwire Smart Smoke & CO Alarm Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
0 of 37 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Sensors8 fields
| Smoke | YesDetails & conditionsPhotoelectric sensing technology, generally more sensitive to smoldering fires. |
|---|---|
| Co | YesDetails & conditionsElectrochemical carbon monoxide sensor. |
| Occupancy | No |
| Temperature | No |
| Humidity | No |
| Air Quality | No |
| Ambient Light | No |
| Motion | No |
Features6 fields
| Built In Siren | YesDetails & conditions85dB alarm at 10 feet with voice alerts. |
|---|---|
| Built In Light | No |
| Tests Itself | No |
| Pathlight | No |
| Steam Check | YesDetails & conditionsPrecision Detection technology better distinguishes between cooking smoke or steam and a fire emergency to reduce nuisance alarms. |
| Automations | No |
Alerts5 fields
| Fire Alerts | YesDetails & conditionsVoice alerts with Heads-Up warning tell you the type and location of danger in your home, plus mobile alerts through the First Alert app. |
|---|---|
| Co Alerts | Yes |
| Low Battery Alerts | YesDetails & conditionsNotifies when the backup battery is low, plus an End-of-Life Warning when it is time to replace the alarm. |
| Temperature Alerts | No |
| Air Quality Alerts | No |
Connectivity7 fields
| 2.4 GHz Wi-Fi | Yes |
|---|---|
| 5 GHz Wi-Fi | No |
| Bluetooth | No |
| Zigbee | No |
| Z Wave | No |
| Thread | No |
| Other | No |
Display2 fields
| Screen | No |
|---|---|
| Screen Type | Not applicable / unspecified |
Integrations6 fields
| Google Home | YesDetails & conditionsWorks with and replaces Google's Nest Protect Alarm. Compatibility with Google Nest Protect requires the Google Home app and a Google Account. |
|---|---|
| Alexa | NoDetails & conditionsFirst Alert builds the SC5 around the Google Home app as a Nest Protect replacement and lists no Alexa support; Alexa has no smoke or CO alarm type outside Matter |
| Apple Home | No |
| SmartThings | No |
| Home Assistant | Not recorded |
| Matter | No |
Power3 fields
| Wired | YesDetails & conditionsHardwired with a Quick Connect Plug for easy installation, plus battery backup for continuous protection during power outages. |
|---|---|
| Battery Type | 3V Lithium (backup) |
| Battery Life | Not recorded |
How this device compares
First Alert SC5 Hardwire Smart Smoke & CO Alarm vs Other Similar Models
Statistical context from 25 smoke & co detectors in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Wired: 5 of 25 known answers are Yes
Power: 20% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Steam Check: 10 of 25 known answers are Yes
Features: 40% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Co: 13 of 25 known answers are Yes
Sensors: 52% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
3 of 25 models are from First Alert
Counts smoke & co detectors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare First Alert SC5 Hardwire Smart Smoke & CO Alarm vs Similar Smoke & CO Detectors
See how First Alert SC5 Hardwire Smart Smoke & CO Alarm stacks up against other smoke & co detectors in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.