Smoke & CO Detectors · Head to head

First Alert SMCO410 Smoke Detector & CO Alarm vs X-Sense Wi-Fi Carbon Monoxide Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official First Alert and X-Sense sites.
2026 verdict
First Alert SMCO410 Smoke Detector & CO Alarm edges out X-Sense Wi-Fi Carbon Monoxide Alarm in 2026, led by warranty, sensors, and alerts. It has the clearer edge on warranty, sensors, and alerts, and it stays ahead on steam check. The only strong reason to choose X-Sense Wi-Fi Carbon Monoxide Alarm is if price, rating, and screen is more important to you than the overall verdict. That is why First Alert SMCO410 Smoke Detector & CO Alarm wins the verdict here.
vs
FeatureFirst Alert SMCO410 Smoke Detector & CO AlarmX-Sense Wi-Fi Carbon Monoxide AlarmWinner
Price$60.48€28.73X-Sense Wi-Fi Carbon Monoxide Alarm
Rating3.44.6X-Sense Wi-Fi Carbon Monoxide Alarm
Warranty10 years5 yearsFirst Alert SMCO410 Smoke Detector & CO Alarm
ScreenNOYESX-Sense Wi-Fi Carbon Monoxide Alarm
SensorsSmoke, COCOFirst Alert SMCO410 Smoke Detector & CO Alarm
AlertsFire Alerts, CO Alerts, Low Battery AlertsCO Alerts, Low Battery AlertsFirst Alert SMCO410 Smoke Detector & CO Alarm
Built-in LightNOYESX-Sense Wi-Fi Carbon Monoxide Alarm
Steam CheckYESNOFirst Alert SMCO410 Smoke Detector & CO Alarm
ConnectivityZ-Wave2.4 GHz WiFiTie
Built-in SirenYESYESTie
Tests ItselfNONOTie
PathlightNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: First Alert SMCO410 Smoke Detector & CO Alarm or X-Sense Wi-Fi Carbon Monoxide Alarm?
First Alert SMCO410 Smoke Detector & CO Alarm has the stronger overall profile in this comparison, especially for warranty, sensors, and alerts.
What is the biggest difference between First Alert SMCO410 Smoke Detector & CO Alarm and X-Sense Wi-Fi Carbon Monoxide Alarm?
Price is one of the clearest differences: First Alert SMCO410 Smoke Detector & CO Alarm lists $60.48, while X-Sense Wi-Fi Carbon Monoxide Alarm lists €28.73.
Which one looks better on price?
First Alert SMCO410 Smoke Detector & CO Alarm is listed at $60.48, while X-Sense Wi-Fi Carbon Monoxide Alarm is listed at €28.73. X-Sense Wi-Fi Carbon Monoxide Alarm (better spec).
Who should buy First Alert SMCO410 Smoke Detector & CO Alarm?
Choose First Alert SMCO410 Smoke Detector & CO Alarm if your priority is warranty and sensors and that matters more than price.
Who should buy X-Sense Wi-Fi Carbon Monoxide Alarm?
Choose X-Sense Wi-Fi Carbon Monoxide Alarm if your priority is price and rating and that matters more than warranty.
More Smoke & CO Detectors

Top Smoke & CO Detectors to compare next

Compare Smart Smoke & CO alarms by power source, connectivity, sensors, alerts, display, integrations, automations, and safety features.

Compare Smoke & CO Detectors
First Alert

More First Alert products

A sharper look at other First Alert products worth comparing.

Explore First Alert
X-Sense

More X-Sense products

A sharper look at other X-Sense products worth comparing.

Explore X-Sense
DealsNew ReleasesBrandsBlogEcosystemsProtocolsUse CasesAboutPodcastTerms of UsePrivacy Policy
© 2026 Smart Home Compared
Search