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  • Getting started
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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
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KnockautX FMD2C018

ModelFMD2C018
VendorKnockautX
Description2 gang smart dimmer module
Exposeslight (state, brightness, min_brightness, max_brightness), countdown, light_type, power_on_behavior
PictureKnockautX FMD2C018

Exposes

Light (l1 endpoint)

This light supports the following features: state, brightness, min_brightness, max_brightness.

  • state: To control the state publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_l1": "ON"}, {"state_l1": "OFF"} or {"state_l1": "TOGGLE"}. To read the state send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"state_l1": ""}.
  • brightness: To control the brightness publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"brightness_l1": VALUE} where VALUE is a number between 0 and 254. To read the brightness send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"brightness_l1": ""}.

Light (l2 endpoint)

This light supports the following features: state, brightness, min_brightness, max_brightness.

  • state: To control the state publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_l2": "ON"}, {"state_l2": "OFF"} or {"state_l2": "TOGGLE"}. To read the state send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"state_l2": ""}.
  • brightness: To control the brightness publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"brightness_l2": VALUE} where VALUE is a number between 0 and 254. To read the brightness send a message to zigbee2mqtt/FRIENDLY_NAME/get with payload {"brightness_l2": ""}.

Countdown (numeric, l1 endpoint)

Countdown to turn device off after a certain time. Value can be found in the published state on the countdown_l1 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"countdown_l1": NEW_VALUE}. The minimal value is 0 and the maximum value is 43200. The unit of this value is s.

Countdown (numeric, l2 endpoint)

Countdown to turn device off after a certain time. Value can be found in the published state on the countdown_l2 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"countdown_l2": NEW_VALUE}. The minimal value is 0 and the maximum value is 43200. The unit of this value is s.

Light type (enum, l1 endpoint)

Type of light attached to the device. Value can be found in the published state on the light_type_l1 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"light_type_l1": NEW_VALUE}. The possible values are: led, incandescent, halogen.

Light type (enum, l2 endpoint)

Type of light attached to the device. Value can be found in the published state on the light_type_l2 property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"light_type_l2": NEW_VALUE}. The possible values are: led, incandescent, halogen.

Power on behavior (enum)

Value can be found in the published state on the power_on_behavior property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"power_on_behavior": NEW_VALUE}. The possible values are: off, on, previous.

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Last Updated:: 5/7/25, 7:30 PM