Winner
16% OFF
£21.83
£25.99
Updated October 2026
Data from the official X-Sense site.
2026 verdict
X-Sense SD19-MN Interconnected Smart Smoke Alarm beats X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts in 2026, with its clearest edge on price, battery life, and connectivity.
Its strongest advantages show up in price, battery life, and connectivity, with its broader overall balance helping widen the gap. X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts still makes sense if screen and sensors are your priority, but most buyers should still lean toward X-Sense SD19-MN Interconnected Smart Smoke Alarm. That is enough to make X-Sense SD19-MN Interconnected Smart Smoke Alarm the better pick for most buyers.
Works with
Connectivity
- Wi-Fi 2.4 GHz
vs
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | X-Sense SD19-MN Interconnected Smart Smoke Alarm | X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts | Winner |
|---|---|---|---|
| Price | £21.83 | £27.71 | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Battery Life | 10 years | 1 year | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Connectivity | 2.4 GHz WiFi, Other | 2.4 GHz WiFi | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Screen | NO | YES | X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts |
| Sensors | Smoke | CO, Temperature, Humidity | X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts |
| Rating | 4.4 | 4.4 | Tie |
| Warranty | 5 years | 5 years | Tie |
| Integrations | Home Assistant | None | Tie |
| Alerts | Fire Alerts, Low Battery Alerts | CO Alerts, Low Battery Alerts | Tie |
| Built-in Siren | YES | YES | Tie |
| Built-in Light | NO | NO | Tie |
| Pathlight | NO | NO | Tie |
Winner
16% OFF
£21.83
£25.99
- + Price: £21.83
- + Battery Life: 10 years
- + Connectivity: 2.4 GHz WiFi, Other
- - Screen: NO vs YES
- - Sensors: Smoke vs CO, Temperature, Humidity
16% OFF
£27.71
£32.99
- + Screen: YES
- + Sensors: CO, Temperature, Humidity
- - Price: £27.71 vs £21.83
- - Battery Life: 1 year vs 10 years
Frequently Asked Questions
Which is better overall: X-Sense SD19-MN Interconnected Smart Smoke Alarm or X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?
X-Sense SD19-MN Interconnected Smart Smoke Alarm has the stronger overall profile in this comparison, especially for price, battery life, and connectivity.
What is the biggest difference between X-Sense SD19-MN Interconnected Smart Smoke Alarm and X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?
Price is one of the clearest differences: X-Sense SD19-MN Interconnected Smart Smoke Alarm lists £21.83, while X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts lists £27.71.
Which one looks better on price?
X-Sense SD19-MN Interconnected Smart Smoke Alarm is listed at £21.83, while X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts is listed at £27.71. X-Sense SD19-MN Interconnected Smart Smoke Alarm (better spec).
Who should buy X-Sense SD19-MN Interconnected Smart Smoke Alarm?
Choose X-Sense SD19-MN Interconnected Smart Smoke Alarm if your priority is price and battery life and that matters more than screen.
Who should buy X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?
Choose X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts if your priority is screen and sensors and that matters more than price.
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