# ThirdReality Smart Water Leak Sensor WL2

*ThirdReality / WL2*

> The Smart Water Leak Sensor WL2 has no siren, and its two AAA batteries cost extra. It is a Zigbee 3.0 sensor in an IP65-rated enclosure that detects dripping and leaking. It suits Alexa users, with native support through Zigbee. HomeKit, Google Home and Home Assistant users reach it through an integration (a Matter bridge). SmartThings users reach it through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/thirdreality-smart-water-leak-sensor-wl2
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [ThirdReality](https://smarthomecanon.com/brands/thirdreality) |
| Category | Leak sensor |
| Model numbers | WL2 |
| Status | Current[^1] |
| Type | Water leak[^1] |
| Radio | Zigbee 3.0[^1] |
| Power | 2 AAA batteries (not included)[^1] |
| Hub needed | Zigbee hub required[^1] |

## Integration paths

**How the ThirdReality Smart Water Leak Sensor WL2 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter via Bridge](https://smarthomecanon.com/protocols/matter-bridged) | ThirdReality Smart Bridge MZ1 (sold separately)[^1] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | A Zigbee hub or an Echo device with a built-in Zigbee hub[^1] | unknown | unknown |

**Platform support for the ThirdReality Smart Water Leak Sensor WL2**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter via Bridge | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Via integration[^1] |  |
| Matter via Bridge | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1] |  |
| Matter via Bridge | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld |  |
| Zigbee | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1] |  |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Via integration[^1] | ZHA or Zigbee2MQTT |
| Zigbee | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |
| Zigbee | [Hubitat Elevation](https://smarthomecanon.com/platforms/hubitat) | Via integration[^1] |  |
| Zigbee | [Homey](https://smarthomecanon.com/platforms/homey) | Via integration[^1] |  |

## Related pages

- [ThirdReality Zigbee sensors](https://smarthomecanon.com/lines/thirdreality-zigbee-sensors) (line)
- [ThirdReality](https://smarthomecanon.com/brands/thirdreality) (brand)
- [Matter through a bridge](https://smarthomecanon.com/protocols/matter-bridged) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [Hubitat Elevation](https://smarthomecanon.com/platforms/hubitat) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Smart Water Leak Sensor WL2 - ThirdReality store. https://www.thirdreality.com/products/smart-water-leak-sensor-wl2 (manufacturer, checked 2026-10-12)