[Home](./index.md) > [puppeteer](./puppeteer.md) > [Puppeteer](./puppeteer.puppeteer.md) ## Puppeteer class The main Puppeteer class Signature: ```typescript export declare class Puppeteer ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(projectRoot, preferredRevision, isPuppeteerCore, productName)](./puppeteer.puppeteer._constructor_.md) | | Constructs a new instance of the Puppeteer class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [\_\_productName](./puppeteer.puppeteer.__productname.md) | | string | | | [\_changedProduct](./puppeteer.puppeteer._changedproduct.md) | | boolean | | | [\_isPuppeteerCore](./puppeteer.puppeteer._ispuppeteercore.md) | | boolean | | | [\_launcher](./puppeteer.puppeteer._launcher.md) | | ProductLauncher | | | [\_lazyLauncher](./puppeteer.puppeteer._lazylauncher.md) | | ProductLauncher | | | [\_preferredRevision](./puppeteer.puppeteer._preferredrevision.md) | | string | | | [\_productName](./puppeteer.puppeteer._productname.md) | | string | | | [\_projectRoot](./puppeteer.puppeteer._projectroot.md) | | string | | | [devices](./puppeteer.puppeteer.devices.md) | | DevicesMap | | | [errors](./puppeteer.puppeteer.errors.md) | | [PuppeteerErrors](./puppeteer.puppeteererrors.md) | | | [product](./puppeteer.puppeteer.product.md) | | string | | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [\_\_experimental\_clearQueryHandlers()](./puppeteer.puppeteer.__experimental_clearqueryhandlers.md) | | | | [\_\_experimental\_customQueryHandlers()](./puppeteer.puppeteer.__experimental_customqueryhandlers.md) | | | | [\_\_experimental\_registerCustomQueryHandler(name, queryHandler)](./puppeteer.puppeteer.__experimental_registercustomqueryhandler.md) | | | | [\_\_experimental\_unregisterCustomQueryHandler(name)](./puppeteer.puppeteer.__experimental_unregistercustomqueryhandler.md) | | | | [connect(options)](./puppeteer.puppeteer.connect.md) | | | | [createBrowserFetcher(options)](./puppeteer.puppeteer.createbrowserfetcher.md) | | | | [defaultArgs(options)](./puppeteer.puppeteer.defaultargs.md) | | | | [executablePath()](./puppeteer.puppeteer.executablepath.md) | | | | [launch(options)](./puppeteer.puppeteer.launch.md) | | |