[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetDeviceMetricsOverrideRequest](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.md) > [deviceScaleFactor](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.devicescalefactor.md) ## Protocol.Emulation.SetDeviceMetricsOverrideRequest.deviceScaleFactor property Overriding device scale factor value. 0 disables the override. Signature: ```typescript deviceScaleFactor: number; ```