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

name: Somgoms switch
primary_entity:
  entity: switch
  dps:
    - id: 1
      name: switch
      type: boolean
secondary_entities:
  - entity: number
    name: Timer
    icon: "mdi:timer"
    category: config
    dps:
      - id: 7
        name: value
        type: integer
        range:
          min: 0
          max: 86400
        mapping:
          - scale: 60
        unit: min
  - entity: light
    name: Backlight
    category: config
    dps:
      - id: 16
        name: switch
        type: boolean