# Aqara Water Leak Sensor

*Aqara / SJCGQ11LM*

> The Water Leak Sensor (SJCGQ11LM) is Zigbee and needs an Aqara hub. It triggers at 0.5 mm of water. Its rating is given as IP67 or IPX5. It suits Home Assistant users, with native support through Zigbee. HomeKit, Google Home and Alexa users reach it through an integration (Zigbee).

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

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Aqara](https://smarthomecanon.com/brands/aqara) |
| Category | Leak sensor |
| Model numbers | SJCGQ11LM |
| Status | Current[^1][^2] |
| Sensor type | Water leak[^3] |
| Also measures | None[^4] |
| Radio | Zigbee[^4] |
| Hub | Aqara hub required[^3] |
| Matter path | unknown |
| Power and battery | Battery: CR2032, over 2 years[^4][^3] |
| Detection | Triggers at 0.5 mm water level, and triggers the hub alarm[^3][^5] |
| IP rating | unknown |
| Released | unknown |
| Regions | US and EU[^1][^2] |

## Integration paths

**How the Aqara Water Leak Sensor connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | Aqara hub[^3] | unknown | unknown |

**Platform support for the Aqara Water Leak Sensor**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Zigbee | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Via integration[^6] |  |
| Zigbee | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^6] |  |
| Zigbee | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^6] |  |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | xiaomi_aqara |
| Zigbee | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.xiaomi-mi |

## Related pages

- [Aqara sensors](https://smarthomecanon.com/lines/aqara-sensors) (line)
- [Aqara](https://smarthomecanon.com/brands/aqara) (brand)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (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]: Aqara US store: Smart Home Sensor collection (product JSON, 13 sensors). https://us.aqara.com/collections/smart-home-sensor/products.json (manufacturer, checked 2026-10-08)
[^2]: Aqara EU store: full product catalog (product JSON). https://eu.aqara.com/products.json (manufacturer, checked 2026-10-08)
[^3]: Aqara: Water Leak Sensor product page (IP67, 0.5 mm trigger). https://www.aqara.com/en/product/water-sensor/ (manufacturer, checked 2026-10-08)
[^4]: Aqara: Water Leak Sensor specs (SJCGQ11LM). https://www.aqara.com/en/product/water-sensor/specs/ (manufacturer, checked 2026-10-08)
[^5]: Aqara US: Water Leak Sensor. https://us.aqara.com/products/water-leak-sensor (manufacturer, checked 2026-10-08)
[^6]: Aqara US store: Water Leak Sensor. https://us.aqara.com/products/water-leak-sensor.json (manufacturer, checked 2026-10-12)