tuya-local/custom_components/tuya_local/devices/rq400a_gasalarm.yaml

name: Gas leak detector
products:
  - id: stqmzk01tbm3qwhg
    model: RQ400A-Update CB2S
entities:
  - entity: binary_sensor
    class: gas
    dps:
      - id: 2
        type: string
        name: sensor
        mapping:
          - dps_val: normal
            value: false
          - dps_val: alarm
            value: true
  - entity: sensor
    name: Gas level
    dps:
      - id: 5
        type: integer
        name: sensor
        unit: "% LEL"
        range:
          min: 1
          max: 1000
        class: measurement
        mapping:
          - scale: 10
  - entity: siren
    category: config
    dps:
      - id: 12
        type: boolean
        name: switch
      - id: 8
        type: string
        name: tone
        mapping:
          - dps_val: "1"
            value: Alarm 1
          - dps_val: "2"
            value: Alarm 2
          - dps_val: "3"
            value: Alarm 3
          - dps_val: "4"
            value: Alarm 4
          - dps_val: "5"
            value: Alarm 5
      - id: 3
        type: integer
        name: duration
        unit: s
        range:
          min: 1
          max: 180
  - entity: button
    name: Self check
    icon: "mdi:alert-circle-check"
    category: config
    dps:
      - id: 9
        type: boolean
        name: button
      - id: 1
        type: string
        name: result
  - entity: binary_sensor
    name: Warm up
    class: cold
    category: diagnostic
    dps:
      - id: 10
        type: boolean
        name: sensor
  - entity: switch
    name: Mute
    icon: "mdi:volume-mute"
    category: config
    dps:
      - id: 14
        type: boolean
        name: switch