The First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) ($111.40) is a top pick with a 8/10 consensus score across 5 expert reviews. Experts highlight 10-year sealed lithium battery — grid-independent local alarm for a decade and smoke + co combo; interconnects with hardwired first alert chain. Best for: Hurricane-zone homeowners, Off-grid alarm reliability, Long-battery prep buyers.
Verified 11d ago
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First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV)
Smart Smoke & CO Alarms
SmartHomeExplorer proprietary rating
5 expert sources
The First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) earns a SHE Score of 6.4/10, driven by strong value (8.5/10) with room to improve in compatibility breadth (5/10). Based on 5 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8/10 across 5 sources
Last verified:Key Features
- ✓ 10-year sealed battery
- ✓ Smoke + CO
- ✓ Alexa compatible
- ✓ Local alarm grid-independent
Best For
What Experts Agree On
What Experts Love
- ✓ 10-year sealed lithium battery — grid-independent local alarm for a decade
- ✓ Smoke + CO combo; interconnects with hardwired First Alert chain
- ✓ 85dB local siren always active regardless of WiFi or grid status
Common Criticisms
- ✗ App push notifications require internet path — WiFi-only cloud dependency
- ✗ $111 price point higher than non-smart alternatives for same local alarm
What The Experts Say
Ready to buy the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV)?
Check Price on Amazon$111.40 · 5 expert sources · 8/10 consensus
Frequently Asked Questions
Is the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) worth it?
First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) earns a 8/10 consensus score across our 12 expert sources. It is rated "Must Buy" — Hurricane-zone homeowners. At $111.40, it ranks among the top picks in its category.
Who is the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) best for?
First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) is best for: Hurricane-zone homeowners, Off-grid alarm reliability, Long-battery prep buyers. Experts rate it "Must Buy" overall.
How does the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) compare to other Security options?
Among the Security products we have reviewed, First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) ranks above average with a 8/10 score. See our full category comparison for more details.
What smart home systems does the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) work with?
First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) works with Amazon Alexa. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV)?
The main pros of the First Alert SC5 Smart Smoke & CO Alarm (SMCO600NV) are 10-year sealed lithium battery — grid-independent local alarm for a decade and smoke + co combo; interconnects with hardwired first alert chain. The main downside is app push notifications require internet path — wifi-only cloud dependency. Overall, experts rate it "Must Buy" with a 8/10 consensus score.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 5 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.