Smoke & CO Detectors · Head to head

X-Sense SD19-MN Interconnected Smart Smoke Alarm vs X-Sense WiFi Smoke & CO Detector

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official X-Sense site.
2026 verdict
In this 2026 X-Sense WiFi Smoke & CO Detector vs X-Sense SD19-MN Interconnected Smart Smoke Alarm comparison, X-Sense WiFi Smoke & CO Detector comes out ahead thanks to screen, sensors, and alerts.
X-Sense WiFi Smoke & CO Detector
Winner
X-Sense WiFi Smoke & CO Detector
Buy on Amazon UKCheck price
It separates itself most clearly on screen, sensors, and alerts, while still looking better on Built-in light. Pick X-Sense SD19-MN Interconnected Smart Smoke Alarm only when connectivity is the deciding factor for your setup. In practical terms, X-Sense WiFi Smoke & CO Detector is the easier product to recommend.
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FeatureX-Sense SD19-MN Interconnected Smart Smoke AlarmX-Sense WiFi Smoke & CO DetectorWinner
Connectivity2.4 GHz WiFi, Other2.4 GHz WiFiX-Sense SD19-MN Interconnected Smart Smoke Alarm
ScreenNOYESX-Sense WiFi Smoke & CO Detector
SensorsSmokeSmoke, COX-Sense WiFi Smoke & CO Detector
AlertsFire Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsX-Sense WiFi Smoke & CO Detector
Built-in LightNOYESX-Sense WiFi Smoke & CO Detector
Warranty5 years5 yearsTie
IntegrationsHome AssistantHome AssistantTie
Built-in SirenYESYESTie
Tests ItselfNONOTie
PathlightNONOTie
Steam CheckNONOTie

Frequently Asked Questions

Which is better overall: X-Sense SD19-MN Interconnected Smart Smoke Alarm or X-Sense WiFi Smoke & CO Detector?

X-Sense WiFi Smoke & CO Detector has the stronger overall profile in this comparison, especially for screen, sensors, and alerts.

What is the biggest difference between X-Sense SD19-MN Interconnected Smart Smoke Alarm and X-Sense WiFi Smoke & CO Detector?

Connectivity is one of the clearest differences: X-Sense SD19-MN Interconnected Smart Smoke Alarm lists 2.4 GHz WiFi, Other, while X-Sense WiFi Smoke & CO Detector lists 2.4 GHz WiFi.

Who should buy X-Sense SD19-MN Interconnected Smart Smoke Alarm?

Choose X-Sense SD19-MN Interconnected Smart Smoke Alarm if your priority is connectivity and that matters more than screen.

Who should buy X-Sense WiFi Smoke & CO Detector?

Choose X-Sense WiFi Smoke & CO Detector if your priority is screen and sensors and that matters more than connectivity.

Full comparison table

Compare all 21 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.

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