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Smoke & CO Detectors · Head to head

Eufy Smoke Alarm E10 vs First Alert SMCO410 Smoke Detector & CO Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Updated September 2026
Data from Amazon and official Eufy and First Alert sites.
2026 verdict
First Alert SMCO410 Smoke Detector & CO Alarm edges out Eufy Smoke Alarm E10 in 2026, led by battery life, integrations, and sensors.
The comparison tilts its way because of battery life, integrations, and sensors, with alerts keeping it in front. Choose Eufy Smoke Alarm E10 only if price, rating, and tests itself matter more to you than the broader advantage from First Alert SMCO410 Smoke Detector & CO Alarm. That is why First Alert SMCO410 Smoke Detector & CO Alarm wins the verdict here.
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FeatureEufy Smoke Alarm E10First Alert SMCO410 Smoke Detector & CO AlarmWinner
Price$49.99$64.98Eufy Smoke Alarm E10
Rating4.43.5Eufy Smoke Alarm E10
Battery Life5 years10 yearsFirst Alert SMCO410 Smoke Detector & CO Alarm
IntegrationsNoneSamsung SmartThings, Home AssistantFirst Alert SMCO410 Smoke Detector & CO Alarm
SensorsSmokeSmoke, COFirst Alert SMCO410 Smoke Detector & CO Alarm
AlertsFire Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsFirst Alert SMCO410 Smoke Detector & CO Alarm
Tests ItselfYESNOEufy Smoke Alarm E10
ConnectivityOtherZ-WaveTie
ScreenNONOTie
Built-in SirenYESYESTie
Built-in LightNONOTie
PathlightNONOTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Eufy Smoke Alarm E10
  • First Alert SMCO410 Smoke Detector & CO Alarm

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Frequently Asked Questions

Which is better overall: Eufy Smoke Alarm E10 or First Alert SMCO410 Smoke Detector & CO Alarm?

First Alert SMCO410 Smoke Detector & CO Alarm has the stronger overall profile in this comparison, especially for battery life, integrations, and sensors.

What is the biggest difference between Eufy Smoke Alarm E10 and First Alert SMCO410 Smoke Detector & CO Alarm?

Price is one of the clearest differences: Eufy Smoke Alarm E10 lists $49.99, while First Alert SMCO410 Smoke Detector & CO Alarm lists $64.98.

Which one looks better on price?

Eufy Smoke Alarm E10 is listed at $49.99, while First Alert SMCO410 Smoke Detector & CO Alarm is listed at $64.98. Eufy Smoke Alarm E10 (better spec).

Who should buy Eufy Smoke Alarm E10?

Choose Eufy Smoke Alarm E10 if your priority is price and rating and that matters more than battery life.

Who should buy First Alert SMCO410 Smoke Detector & CO Alarm?

Choose First Alert SMCO410 Smoke Detector & CO Alarm if your priority is battery life and integrations and that matters more than price.

Full comparison table

Compare all 25 Smoke & CO Detectors side by side

You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 25 Smoke & CO Detectors
  • 44 specs compared
  • 41 filters
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