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

name: Kilo Plus Air purifier
products:
  - id: ueldkqa5dggrzrio
    name: Kilo Plus Air purifier
primary_entity:
  entity: fan
  icon: "mdi:air-purifier"
  dps:
    - id: 1
      type: boolean
      name: switch
    - id: 4
      type: integer
      name: speed
      range:
        min: 1
        max: 3
secondary_entities:
  - entity: sensor
    name: Filter
    icon: "mdi:air-filter"
    category: diagnostic
    dps:
      - id: 5
        type: integer
        name: sensor
        unit: "%"
  - entity: switch
    name: Reset Filter Life
    category: config
    icon: "mdi:toggle-switch-variant-off"
    dps:
      - id: 11
        name: switch
        type: boolean
  - entity: select
    name: Timer
    translation_key: timer
    category: config
    dps:
      - id: 18
        type: string
        name: option
        mapping:
          - dps_val: cancle
            value: "Off"
          - dps_val: "1h"
            value: "1 Hour"
          - dps_val: "2h"
            value: "2 Hours"
          - dps_val: "3h"
            value: "3 Hours"
          - dps_val: "4h"
            value: "4 Hours"
  - entity: select
    name: Light
    translation_key: light
    category: config
    dps:
      - id: 101
        type: string
        name: option
        mapping:
          - dps_val: cancle
            value: "Off"
          - dps_val: "1"
            value: "Gradient"
          - dps_val: "2"
            value: "On"
  - entity: sensor
    name: Countdown Remaining
    category: diagnostic
    dps:
      - id: 20
        type: integer
        name: sensor
        unit: "mins"