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

name: Poiema One air purifier
products:
  - id: 2q2jgeegaziyugdg
primary_entity:
  entity: fan
  icon: "mdi:air-purifier"
  dps:
    - id: 1
      type: boolean
      name: switch
    - id: 3
      type: string
      name: preset_mode
      mapping:
        - dps_val: manual
          value: Manual
        - dps_val: auto
          value: Auto
        - dps_val: sleep
          value: Sleep
    - id: 4
      type: string
      name: speed
      mapping:
        - dps_val: "low"
          value: 25
        - dps_val: "mid"
          value: 50
        - dps_val: "high"
          value: 75
        - dps_val: "strong"
          value: 100
secondary_entities:
  - entity: sensor
    name: PM2.5
    class: pm25
    dps:
      - id: 2
        type: integer
        name: sensor
        class: measurement
        unit: ugm3
  - entity: lock
    name: Child lock
    category: config
    dps:
      - id: 7
        type: boolean
        name: lock
        mapping:
          - dps_val: true
            icon: "mdi:hand-back-right-off"
          - dps_val: false
            icon: "mdi:hand-back-right"
  - entity: button
    name: Filter reset
    category: config
    class: restart
    dps:
      - id: 11
        type: boolean
        name: button
  - entity: select
    name: Timer
    category: config
    icon: "mdi:timer"
    dps:
      - id: 18
        type: string
        name: option
        mapping:
          - dps_val: cancel
            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"
          - dps_val: "5h"
            value: "5 hours"
  - entity: sensor
    name: Timer
    category: diagnostic
    class: duration
    icon: "mdi:timer"
    dps:
      - id: 19
        type: integer
        unit: min
        name: sensor