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  • Getting started
  • Supported Adapters
  • Supported Devices
  • Installation
  • Configuration
  • Usage
  • FAQ
Devices
  • Zigbee

    • Zigbee network
    • Improve network range and stability
    • Secure your Zigbee network
    • Sniff Zigbee traffic
    • Create a CC2530 router
  • Support new devices

    • Support new devices
    • Support new Tuya devices
    • Find Tuya Data Points
  • Remote Adapter

    • Connect to a remote adapter
    • Connect to a remote Sonoff ZBBridge
  • More

    • 3D cases
    • External converters
    • External extensions
    • Switch to the dev branch
    • Get Tuya and Xiaomi OTA url
  • Forum
  • Discord
  • Issues
  • Donate
GitHub
GitHub (docs)

Xiaomi GZCGQ01LM

ModelGZCGQ01LM
VendorXiaomi
DescriptionMi light sensor
Exposesbattery, voltage, illuminance
PictureXiaomi GZCGQ01LM
White-labelXiaomi YTC4043GL

Notes

Adapter firmware

In order for this device to work (fully), at least the following firmware is required on your adapter:

  • CC2530/CC2531: 20211115
  • CC1352/CC2652: 20211114
  • CC2538: 20211222
  • Conbee II: 0x26720700

Note that if you have already paired the device you will need to repair it after upgrading your adapter firmware.

Pairing

Press and hold the reset button on the device for +- 5 seconds (until the blue light starts blinking). After this the device will automatically join. If this doesn't work, try with a single short button press.

GZCGQ01LM pairing

Battery

This device uses a CR2450 battery.

Options

How to use device type specific configuration

  • illuminance_calibration: Calibrates the illuminance value (percentual offset), takes into effect on next report of device. The value must be a number.

  • illuminance_raw: Expose the raw illuminance value. The value must be true or false

Exposes

Battery (numeric)

Remaining battery in %, can take up to 24 hours before reported. Value can be found in the published state on the battery property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 100. The unit of this value is %.

Voltage (numeric)

Voltage of the battery in millivolts. Value can be found in the published state on the voltage property. It's not possible to read (/get) or write (/set) this value. The unit of this value is mV.

Illuminance (numeric)

Measured illuminance. Value can be found in the published state on the illuminance property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"illuminance": ""}. It's not possible to write (/set) this value. The unit of this value is lx.

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Last Updated:: 6/13/25, 6:01 PM