# Air Purifier
## Customize
Set the high/low value of PM2.5 to automatically turn standby mode on or off.
```json
{ "standby_detect": [50, 20] }
```
## Entities
### Default entity
No default entity.
### Extra entities
| EntityID | Class | Description |
| --------------------------------- | ------ | ------------------ |
| sensor.{DEVICEID}\_pm25 | sensor | PM 2.5 |
| sensor.{DEVICEID}\_tvoc | sensor | TVOC |
| sensor.{DEVICEID}\_hcho | sensor | Methanal |
| sensor.{DEVICEID}\_filter1_life | sensor | Filter1 Life Level |
| sensor.{DEVICEID}\_filter2_life | sensor | Filter2 Life Level |
| lock.{DEVICEID}\_child_lock | lock | Child Lock |
| switch.{DEVICEID}\_anion | switch | Anion |
| switch.{DEVICEID}\_prompt_tone | switch | Prompt Tone |
| switch.{DEVICEID}\_power | switch | Power |
| switch.{DEVICEID}\_standby | switch | Standby |
| select.{DEVICEID}\_detect_mode | select | Detect Mode |
| select.{DEVICEID}\_mode | select | Mode |
| select.{DEVICEID}\_fan_speed | select | Fan Speed |
| select.{DEVICEID}\_screen_display | select | Screen Display |
## Service
### midea_ac_lan.set_attribute
[](https://my.home-assistant.io/redirect/developer_call_service/?service=midea_ac_lan.set_attribute)
Set the attribute of appliance. Service data:
| Name | Description |
| --------- | ------------------------------------------------------ |
| device_id | The Appliance code (Device ID) of appliance |
| attribute | "child_lock"
"anion"
"prompt_tone"
"power" |
| value | true or false |
| Name | Description |
| --------- | ------------------------------------------- |
| device_id | The Appliance code (Device ID) of appliance |
| attribute | "detect_mode" |
| value | "Off"
"PM 2.5"
"Methanal" |
| Name | Description |
| --------- | ------------------------------------------------------ |
| device_id | The Appliance code (Device ID) of appliance |
| attribute | "mode" |
| value | "Auto"
"Manual"
"Sleep"
"Fast"
"Smoke" |
| Name | Description |
| --------- | ------------------------------------------- |
| device_id | The Appliance code (Device ID) of appliance |
| attribute | "fan_speed" |
| value | "Auto"
"Low"
"Medium"
"High" |
| Name | Description |
| --------- | ------------------------------------------- |
| device_id | The Appliance code (Device ID) of appliance |
| attribute | "screen_display" |
| value | "Bright"
"Dim"
"Off" |
Example
```yaml
service: midea_ac_lan.set_attribute
data:
device_id: XXXXXXXXXXXX
attribute: prompt_tone
value: true
```
```yaml
service: midea_ac_lan.set_attribute
data:
device_id: XXXXXXXXXXXX
attribute: fan_speed
value: Auto
```