[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DeviceOrientation](./puppeteer.protocol.deviceorientation.md) > [SetDeviceOrientationOverrideRequest](./puppeteer.protocol.deviceorientation.setdeviceorientationoverriderequest.md) > [beta](./puppeteer.protocol.deviceorientation.setdeviceorientationoverriderequest.beta.md) ## Protocol.DeviceOrientation.SetDeviceOrientationOverrideRequest.beta property Mock beta Signature: ```typescript beta: number; ```