The Smart Device Compare comparison
Shelly Plus Smoke Alarm vs X-Sense Wi-Fi Carbon Monoxide Alarm
Understand the differences. Decide what matters to your home.
Build another comparison →Before you compare every specification
Key differences between Shelly Plus Smoke Alarm and X-Sense Wi-Fi Carbon Monoxide Alarm
A summary of selected recorded differences between these smoke & co detectors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Co Alerts (alerts): Shelly Plus Smoke Alarm — No; X-Sense Wi-Fi Carbon Monoxide Alarm — Yes.
- Fire Alerts (alerts): Shelly Plus Smoke Alarm — Yes; X-Sense Wi-Fi Carbon Monoxide Alarm — No.
- Screen (display): Shelly Plus Smoke Alarm — No; X-Sense Wi-Fi Carbon Monoxide Alarm — Yes.
- Automations (features): Shelly Plus Smoke Alarm — Yes; X-Sense Wi-Fi Carbon Monoxide Alarm — No.
Specifications to check side by side
- Bluetooth (connectivity): Shelly Plus Smoke Alarm — For Pairing; X-Sense Wi-Fi Carbon Monoxide Alarm — No.
- Battery Life (power): Shelly Plus Smoke Alarm — 5 years; X-Sense Wi-Fi Carbon Monoxide Alarm — 1 year.
Information still to confirm
- 1 of 37 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.
Option 2 · X-Sense
X-Sense Wi-Fi Carbon Monoxide Alarm
Last updated October 2026
View full device profileWhat the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
10differences with recorded values for every device
1rows with missing or unspecified information
Consider your setup
Battery Life
- Shelly Plus Smoke Alarm5 years
- X-Sense Wi-Fi Carbon Monoxide Alarm1 year
Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.
Inspect the specificationsYour priorities, side by side
Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 37 of 37 rows. “Not recorded” does not mean “No”.
Alerts
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Connectivity
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
Catalog note
IEEE 802.11b/g/n
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- For Pairing
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Display
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- Not applicable / unspecified
- X-Sense Wi-Fi Carbon Monoxide Alarm
- LCD
Catalog note
The large LCD indicates how much carbon monoxide the alarm is detecting, ranging from 30 to 999 ppm.
Features
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- Yes
Catalog note
>85db
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Integrations
- Shelly Plus Smoke Alarm
- No
Catalog note
Alexa's smart home API has no smoke or CO alarm type: the only supported route is the Matter Smoke CO Alarm device type, which this alarm does not speak
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Catalog note
X-Sense confirms its smoke and CO alarms do not work with Alexa: only the AS05 and AS08 security kits are Alexa compatible, and Alexa's API has no smoke or CO alarm type anyway
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
Catalog note
Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Power
- Shelly Plus Smoke Alarm
- 5 years
- X-Sense Wi-Fi Carbon Monoxide Alarm
- 1 year
- Shelly Plus Smoke Alarm
- CR123A
- X-Sense Wi-Fi Carbon Monoxide Alarm
- CR123A
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
Sensors
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- Yes
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- Yes
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
- Shelly Plus Smoke Alarm
- No
- X-Sense Wi-Fi Carbon Monoxide Alarm
- No
| Specification | Shelly Plus Smoke Alarm | X-Sense Wi-Fi Carbon Monoxide Alarm |
|---|---|---|
| Alerts | ||
| No | No | |
| No | Yes | |
| Yes | No | |
| Yes | Yes | |
| No | No | |
| Connectivity | ||
| Yes | YesCatalog noteIEEE 802.11b/g/n | |
| No | No | |
| For Pairing | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Display | ||
| No | Yes | |
| Not applicable / unspecified | LCDCatalog noteThe large LCD indicates how much carbon monoxide the alarm is detecting, ranging from 30 to 999 ppm. | |
| Features | ||
| Yes | No | |
| Yes | Yes | |
YesCatalog note>85db | Yes | |
| No | No | |
| No | No | |
| No | No | |
| Integrations | ||
NoCatalog noteAlexa's smart home API has no smoke or CO alarm type: the only supported route is the Matter Smoke CO Alarm device type, which this alarm does not speak | NoCatalog noteX-Sense confirms its smoke and CO alarms do not work with Alexa: only the AS05 and AS08 security kits are Alexa compatible, and Alexa's API has no smoke or CO alarm type anyway | |
| No | No | |
| Yes | No | |
| Yes | YesCatalog noteCommunity X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account | |
| No | No | |
| Yes | No | |
| Power | ||
| 5 years | 1 year | |
| CR123A | CR123A | |
| No | No | |
| Sensors | ||
| No | No | |
| No | No | |
| No | Yes | |
| No | No | |
| No | No | |
| No | No | |
| Yes | No | |
| No | No | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology