tuya-local/custom_components/tuya_local/devices/wf520d_wifi_dual_touch_dimmer.yaml

name: Dual dimmer
primary_entity:
  entity: light
  name: Dimmer 1
  dps:
    - id: 1
      type: boolean
      name: switch
    - id: 2
      name: brightness
      type: integer
      range:
        min: 10
        max: 1000
      mapping:
        - scale: 3.92
secondary_entities:
  - entity: light
    name: Dimmer 2
    dps:
      - id: 7
        type: boolean
        name: switch
      - id: 8
        name: brightness
        type: integer
        range:
          min: 10
          max: 1000
        mapping:
          - scale: 3.92
  - entity: number
    name: Minimum brightness 1
    category: config
    icon: "mdi:lightbulb-on-50"
    dps:
      - id: 3
        type: integer
        name: value
        range:
          min: 10
          max: 1000
        unit: "%"
        mapping:
          - scale: 10
  - entity: number
    name: Minimum brightness 2
    category: config
    icon: "mdi:lightbulb-on-50"
    dps:
      - id: 9
        type: integer
        name: value
        range:
          min: 10
          max: 1000
        unit: "%"
        mapping:
          - scale: 10