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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)

QA QAT42Z1B

ModelQAT42Z1B
VendorQA
Description1 channel scene switch
Exposesswitch (state), backlight_brightness, action
PictureQA QAT42Z1B

Exposes

Switch

The current state of this switch is in the published state under the state property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state": "ON"}, {"state": "OFF"} or {"state": "TOGGLE"}. To read the current state of this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"state": ""}.

Backlight brightness (numeric)

Backlight brightness (0-99). Value can be found in the published state on the backlight_brightness property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"backlight_brightness": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"backlight_brightness": NEW_VALUE}. The minimal value is 0 and the maximum value is 99. The unit of this value is %.

Action (enum)

Triggered action (e.g. a button click). Value can be found in the published state on the action property. It's not possible to read (/get) or write (/set) this value. The possible values are: scene_1.

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Last Updated: 12/1/25, 8:50 PM