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Xiaomi GZCGQ01LM in Home Assistant

Climate sensors · Zigbee · Mi light sensor

Zigbee2MQTT Quirk included in ZHA 2 open reports

This device is known to both Zigbee integrations: Zigbee2MQTT has a definition for it, and ZHA has a quirk that adapts it.

We have a detailed page on this device with compatibility ratings and prices. Details and compatibility

Facts about this device

Brand
Xiaomi
Model
GZCGQ01LM
Device type
Climate sensors
Radio
Zigbee
Power
Battery
Reports itself as
lumi.sen_ill.mgl01
Also sold as
Xiaomi YTC4043GL
Zigbee2MQTT
Device page on zigbee2mqtt.io

How the device gets into Home Assistant

  • official ZHA – with a Zigbee coordinator and the ZHA integration; the quirk the device needs is part of ZHA.
  • add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT. Source

Known problems and fixes

Open problems

Changes proposed for ZHA

  • pull request A change to ZHA for this device has been proposed and is waiting for review. since 29 de outubro de 2026 · zha-device-handlers #5613
  • pull request A change to ZHA for this device has been proposed and is waiting for review. since 29 de outubro de 2026 · zha-device-handlers #5609

ZHA quirks for this device

Quirk included in ZHA Recommended quirk

Part of ZHA – Home Assistant uses it on its own, nothing to install.

Source: zha-device-handlers · since zha-quirks 2.2.2
Signature: LUMI / lumi.sen_ill.mgl01

5 more quirks for this device

All quirks in the ZHA quirk database →

Alternatives

The same job from other makers – devices of the same type and radio that work with Home Assistant too.

Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.

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