# Switch ## Props | Name | Type | Default | Description | |:-----|:-----|:--------|:------------| | checked | union: bool
 string
| | If `true`, the component appears selected. | | checkedClassName | string | | The CSS class name of the root element when checked. | | checkedIcon | node | | The icon to display when the component is checked. If a string is provided, it will be used as a font ligature. | | classes | object | | Useful to extend the style applied to components. | | disableRipple | bool | | If `true`, the ripple effect will be disabled. | | disabled | bool | | If `true`, the switch will be disabled. | | disabledClassName | string | | The CSS class name of the root element when disabled. | | icon | node | | The icon to display when the component is unchecked. If a string is provided, it will be used as a font ligature. | | inputProps | object | | Properties applied to the `input` element. | | name | string | | | | onChange | function | | Callback fired when the is changed.

**Signature:**
`function(event: object, checked: boolean) => void`
*event:* `change` event
*checked:* The `checked` value of the switch | | value | string | | The value of the component. | Any other properties supplied will be spread to the root element. ## CSS API You can overrides all the class names injected by Material-UI thanks to the `classes` property. This property accepts the following keys: - `root` - `bar` - `icon` - `default` - `checked` - `disabled` Have a look at [overriding with class names](/customization/overrides#overriding-with-class-names) section for more detail. If using the `overrides` key of the theme as documented [here](/customization/themes#customizing-all-instances-of-a-component-type), you need to use the following style sheet name: `MuiSwitch`.