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

name: Breville Easy Air
products:
  - id: k2mlahbu9v4xxdlb
primary_entity:
  entity: fan
  icon: "mdi:air-purifier"
  dps:
    - id: 1
      name: switch
      type: boolean
    - id: 4
      type: string
      name: speed
      mapping:
        - dps_val: low
          value: 25
        - dps_val: mid
          value: 50
        - dps_val: high
          value: 75
        - dps_val: turbo
          value: 100
secondary_entities:
  - entity: switch
    name: Night mode
    category: config
    icon: "mdi:lightbulb-night"
    dps:
      - id: 8
        name: switch
        type: boolean
  - entity: switch
    name: Micro shield
    category: config
    icon: "mdi:shield-bug"
    dps:
      - id: 9
        name: switch
        type: boolean
  - entity: sensor
    name: Filter days left
    category: diagnostic
    icon: "mdi:air-filter"
    dps:
      - id: 16
        name: sensor
        type: integer
        unit: d
  - entity: select
    name: Timer
    icon: "mdi:fan-clock"
    category: config
    dps:
      - id: 19
        type: string
        name: option
        mapping:
          - dps_val: "cancle"
            value: "Cancel"
          - dps_val: "2"
            value: "2 hour"
          - dps_val: "4"
            value: "4 hours" 
          - dps_val: "8"
            value: "8 hours" 
  - entity: sensor
    name: Time left
    category: diagnostic
    class: duration
    icon: "mdi:timer"
    dps:
      - id: 20
        name: sensor
        type: integer
        unit: min