---
sidebar_label: Device
---

# Device interface

#### Signature:

```typescript
export interface Device
```

## Properties

| Property                                     | Modifiers | Type                                | Description | Default |
| -------------------------------------------- | --------- | ----------------------------------- | ----------- | ------- |
| [userAgent](./puppeteer.device.useragent.md) |           | string                              |             |         |
| [viewport](./puppeteer.device.viewport.md)   |           | [Viewport](./puppeteer.viewport.md) |             |         |