# ThirdReality Smart Water Leak Kit KM1

*ThirdReality / KM1*

> The Smart Water Leak Kit KM1 needs a 2.4 GHz Wi-Fi network and a Matter controller. The kit has a controller that sounds a 100 dB alarm and three water leak detectors. It suits HomeKit, Alexa and Home Assistant users, with native support through Matter over Wi-Fi.

- Canonical page: https://smarthomecanon.com/devices/thirdreality-smart-water-leak-kit-km1
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [ThirdReality](https://smarthomecanon.com/brands/thirdreality) |
| Category | Leak sensor |
| Model numbers | KM1 |
| Status | Current[^1] |
| Matter device type | withheld |
| Type | Water leak kit[^1] |
| Radio | Matter over Wi-Fi[^1] |

## Integration paths

**How the ThirdReality Smart Water Leak Kit KM1 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | A Matter controller, A 2.4 GHz Wi-Fi network[^1] | unknown | unknown |

**Platform support for the ThirdReality Smart Water Leak Kit KM1**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Wi-Fi | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^1] |  |
| Matter / Wi-Fi | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1] |  |
| Matter / Wi-Fi | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Native[^1] |  |
| Matter / Wi-Fi | [Homey](https://smarthomecanon.com/platforms/homey) | Native[^1] |  |

## Related pages

- [ThirdReality hubs, bridges and Matter devices](https://smarthomecanon.com/lines/thirdreality-hubs-bridges-and-matter-devices) (line)
- [ThirdReality](https://smarthomecanon.com/brands/thirdreality) (brand)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Smart Water Leak Kit KM1 - ThirdReality store. https://www.thirdreality.com/products/smart-water-leak-km1 (manufacturer, checked 2026-10-12)