Option 1 · Kidde
Kidde WiFi Water Leak & Freeze Detector
Last updated October 2026
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Kidde WiFi Water Leak & Freeze Detector vs X-Sense Wi-Fi Water Leak Detector
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Key differences between Kidde WiFi Water Leak & Freeze Detector and X-Sense Wi-Fi Water Leak Detector
A summary of selected recorded differences between these water leak sensors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Freeze Temperature Alerts (alerts): Kidde WiFi Water Leak & Freeze Detector — Yes (Alerts at 37 °F or on a rapid temperature drop); X-Sense Wi-Fi Water Leak Detector — No.
- Temperature Alerts (alerts): Kidde WiFi Water Leak & Freeze Detector — Yes; X-Sense Wi-Fi Water Leak Detector — No.
- 2.4 GHz Wi-Fi (connectivity): Kidde WiFi Water Leak & Freeze Detector — Yes; X-Sense Wi-Fi Water Leak Detector — No.
- Google Home (integrations): Kidde WiFi Water Leak & Freeze Detector — Yes; X-Sense Wi-Fi Water Leak Detector — No.
Specifications to check side by side
- Other (connectivity): Kidde WiFi Water Leak & Freeze Detector — No; X-Sense Wi-Fi Water Leak Detector — Sub-1G (SBS50 Base Station required) (The SWS51 detector links to the X-Sense SBS50 base station over 915 MHz (US) / 868 MHz (EU), up to 1,640 ft (500 m) in open air; the base station carries the 2.4 GHz Wi-Fi connection (802.11b/g/n)).
- Battery Type (power): Kidde WiFi Water Leak & Freeze Detector — 2x AA (2 AA batteries included); X-Sense Wi-Fi Water Leak Detector — 2x AAA.
Information still to confirm
- 3 of 28 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 Water Leak Detector
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.
7differences with recorded values for every device
3rows with missing or unspecified information
Your 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 28 of 28 rows. “Not recorded” does not mean “No”.
Alerts
- Kidde WiFi Water Leak & Freeze Detector
- Yes
Catalog note
Alerts at 37 °F or on a rapid temperature drop
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- Yes
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- Yes
Connectivity
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- Sub-1G (SBS50 Base Station required)
Catalog note
The SWS51 detector links to the X-Sense SBS50 base station over 915 MHz (US) / 868 MHz (EU), up to 1,640 ft (500 m) in open air; the base station carries the 2.4 GHz Wi-Fi connection (802.11b/g/n)
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
Features
- Kidde WiFi Water Leak & Freeze Detector
- Not recorded
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Not recorded
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- Yes
Catalog note
110 dB on the detector (the SBS50 base station alarm is 100 dB)
Included Accessories
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
Integrations
- Kidde WiFi Water Leak & Freeze Detector
- No
Catalog note
Alexa has no water leak sensor type: the Matter Water Leak Detector has no Alexa capability mapping, and bridges such as SmartThings or Home Assistant cannot expose a moisture sensor either
- X-Sense Wi-Fi Water Leak Detector
- No
Catalog note
Alexa has no water leak sensor type: the Matter Water Leak Detector has no Alexa capability mapping, and bridges such as SmartThings or Home Assistant cannot expose a moisture sensor either
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
Catalog note
Community Kidde HomeSafe integration for Home Assistant (HACS), which lists this model
- X-Sense Wi-Fi Water Leak Detector
- Yes
Catalog note
Community X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
Power
- Kidde WiFi Water Leak & Freeze Detector
- Not recorded
- X-Sense Wi-Fi Water Leak Detector
- 3 years
- Kidde WiFi Water Leak & Freeze Detector
- 2x AA
Catalog note
2 AA batteries included
- X-Sense Wi-Fi Water Leak Detector
- 2x AAA
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
Sensors
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- No
- X-Sense Wi-Fi Water Leak Detector
- No
- Kidde WiFi Water Leak & Freeze Detector
- Yes
- X-Sense Wi-Fi Water Leak Detector
- Yes
Catalog note
4 bottom sensor probes and 2 top sensor probes to detect water leaks and floods, providing an early warning of water damage; suitable for kitchens, bathrooms, basements, and more
| Specification | Kidde WiFi Water Leak & Freeze Detector | X-Sense Wi-Fi Water Leak Detector |
|---|---|---|
| Alerts | ||
YesCatalog noteAlerts at 37 °F or on a rapid temperature drop | No | |
| Yes | Yes | |
| No | No | |
| Yes | No | |
| Yes | Yes | |
| Connectivity | ||
| Yes | No | |
| No | No | |
| No | No | |
| No | Sub-1G (SBS50 Base Station required)Catalog noteThe SWS51 detector links to the X-Sense SBS50 base station over 915 MHz (US) / 868 MHz (EU), up to 1,640 ft (500 m) in open air; the base station carries the 2.4 GHz Wi-Fi connection (802.11b/g/n) | |
| No | No | |
| No | No | |
| No | No | |
| Features | ||
| Not recorded | No | |
| Not recorded | No | |
| Yes | YesCatalog note110 dB on the detector (the SBS50 base station alarm is 100 dB) | |
| Included Accessories | ||
| No | No | |
| Integrations | ||
NoCatalog noteAlexa has no water leak sensor type: the Matter Water Leak Detector has no Alexa capability mapping, and bridges such as SmartThings or Home Assistant cannot expose a moisture sensor either | NoCatalog noteAlexa has no water leak sensor type: the Matter Water Leak Detector has no Alexa capability mapping, and bridges such as SmartThings or Home Assistant cannot expose a moisture sensor either | |
| No | No | |
| Yes | No | |
YesCatalog noteCommunity Kidde HomeSafe integration for Home Assistant (HACS), which lists this model | YesCatalog noteCommunity X-Sense integration for Home Assistant (HACS), which lists this model and reads it from the X-Sense cloud account | |
| No | No | |
| No | No | |
| Power | ||
| Not recorded | 3 years | |
2x AACatalog note2 AA batteries included | 2x AAA | |
| No | No | |
| Sensors | ||
| Yes | No | |
| No | No | |
| Yes | YesCatalog note4 bottom sensor probes and 2 top sensor probes to detect water leaks and floods, providing an early warning of water damage; suitable for kitchens, bathrooms, basements, and more | |
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