[Home](./index.md) > [puppeteer](./puppeteer.md) > [Device](./puppeteer.device.md) > [viewport](./puppeteer.device.viewport.md) ## Device.viewport property Signature: ```typescript viewport: { width: number; height: number; deviceScaleFactor: number; isMobile: boolean; hasTouch: boolean; isLandscape: boolean; }; ```