[Home](./index.md) > [puppeteer](./puppeteer.md) > [Viewport](./puppeteer.viewport.md)
## Viewport interface
Sets the viewport of the page.
Signature:
```typescript
export interface Viewport
```
## Properties
| Property | Type | Description |
| --- | --- | --- |
| [deviceScaleFactor?](./puppeteer.viewport.devicescalefactor.md) | number | (Optional) Specify device scale factor. See [devicePixelRatio](https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio) for more info. |
| [hasTouch?](./puppeteer.viewport.hastouch.md) | boolean | (Optional) Specify if the viewport supports touch events. |
| [height](./puppeteer.viewport.height.md) | number | The page height in pixels. |
| [isLandscape?](./puppeteer.viewport.islandscape.md) | boolean | (Optional) Specifies if the viewport is in landscape mode. |
| [isMobile?](./puppeteer.viewport.ismobile.md) | boolean | (Optional) Whether the meta viewport
tag is taken into account. |
| [width](./puppeteer.viewport.width.md) | number | The page width in pixels. |