The Smart Device Compare comparison
Flume 2 Smart Water Monitor vs YoLink Water Leak Sensor 4
Understand the differences. Decide what matters to your home.
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Key differences between Flume 2 Smart Water Monitor and YoLink Water Leak Sensor 4
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): Flume 2 Smart Water Monitor — No; YoLink Water Leak Sensor 4 — Yes.
- 2.4 GHz Wi-Fi (connectivity): Flume 2 Smart Water Monitor — Yes (The indoor bridge joins Wi-Fi, the sensor links to the bridge on its own radio at up to 1000 ft); YoLink Water Leak Sensor 4 — No.
- On Device Alert Light (features): Flume 2 Smart Water Monitor — No; YoLink Water Leak Sensor 4 — Yes.
- On Device Alert Sound (features): Flume 2 Smart Water Monitor — No; YoLink Water Leak Sensor 4 — Yes (105dB).
Specifications to check side by side
- Temperature Alerts (alerts): Flume 2 Smart Water Monitor — No; YoLink Water Leak Sensor 4 — Low Temperatures.
- Other (connectivity): Flume 2 Smart Water Monitor — Yes (Proprietary long-range radio between the meter sensor and the bridge); YoLink Water Leak Sensor 4 — LoRa (YoLink hub required).
- Battery Type (power): Flume 2 Smart Water Monitor — Proprietary lithium pack; YoLink Water Leak Sensor 4 — 2x AAA.
- Temperature (sensors): Flume 2 Smart Water Monitor — No; YoLink Water Leak Sensor 4 — Low Temperatures.
Information still to confirm
- 2 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.
What 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.
9differences with recorded values for every device
2rows 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
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- Yes
- Flume 2 Smart Water Monitor
- Yes
- YoLink Water Leak Sensor 4
- Yes
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- Low Temperatures
- Flume 2 Smart Water Monitor
- Yes
Catalog note
Alerts on both bursts and slow continuous flow such as a running toilet
- YoLink Water Leak Sensor 4
- Yes
Connectivity
- Flume 2 Smart Water Monitor
- Yes
Catalog note
The indoor bridge joins Wi-Fi, the sensor links to the bridge on its own radio at up to 1000 ft
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- Yes
Catalog note
Proprietary long-range radio between the meter sensor and the bridge
- YoLink Water Leak Sensor 4
- LoRa (YoLink hub required)
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
Features
- Flume 2 Smart Water Monitor
- Not recorded
- YoLink Water Leak Sensor 4
- Yes
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- Yes
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- Yes
Catalog note
105dB
Included Accessories
- Flume 2 Smart Water Monitor
- No
Catalog note
Ships with mounting straps and a Wi-Fi bridge instead
- YoLink Water Leak Sensor 4
- No
Integrations
- Flume 2 Smart Water Monitor
- 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
- YoLink Water Leak Sensor 4
- 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
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- Yes
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- Yes
Catalog note
Official Home Assistant Flume integration, which reads the Flume water monitor from the Flume account
- YoLink Water Leak Sensor 4
- Yes
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
Power
- Flume 2 Smart Water Monitor
- Not recorded
- YoLink Water Leak Sensor 4
- 5 years
- Flume 2 Smart Water Monitor
- Proprietary lithium pack
- YoLink Water Leak Sensor 4
- 2x AAA
- Flume 2 Smart Water Monitor
- No
Catalog note
The sensor runs on batteries, the indoor bridge plugs into mains
- YoLink Water Leak Sensor 4
- No
Sensors
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- Low Temperatures
- Flume 2 Smart Water Monitor
- No
- YoLink Water Leak Sensor 4
- No
- Flume 2 Smart Water Monitor
- Yes
Catalog note
Reads the existing water meter magnetically, so it sees every drop the whole house uses
- YoLink Water Leak Sensor 4
- Yes
| Specification | Flume 2 Smart Water Monitor | YoLink Water Leak Sensor 4 |
|---|---|---|
| Alerts | ||
| No | Yes | |
| Yes | Yes | |
| No | No | |
| No | Low Temperatures | |
YesCatalog noteAlerts on both bursts and slow continuous flow such as a running toilet | Yes | |
| Connectivity | ||
YesCatalog noteThe indoor bridge joins Wi-Fi, the sensor links to the bridge on its own radio at up to 1000 ft | No | |
| No | No | |
| No | No | |
YesCatalog noteProprietary long-range radio between the meter sensor and the bridge | LoRa (YoLink hub required) | |
| No | No | |
| No | No | |
| No | No | |
| Features | ||
| Not recorded | Yes | |
| No | Yes | |
| No | YesCatalog note105dB | |
| Included Accessories | ||
NoCatalog noteShips with mounting straps and a Wi-Fi bridge instead | 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 noteOfficial Home Assistant Flume integration, which reads the Flume water monitor from the Flume account | Yes | |
| No | No | |
| No | No | |
| Power | ||
| Not recorded | 5 years | |
| Proprietary lithium pack | 2x AAA | |
NoCatalog noteThe sensor runs on batteries, the indoor bridge plugs into mains | No | |
| Sensors | ||
| No | Low Temperatures | |
| No | No | |
YesCatalog noteReads the existing water meter magnetically, so it sees every drop the whole house uses | Yes | |
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