# videoResolution property Null safety

int videoResolution
read / write

Field description: video resolution

Recommended value

- For video call, we recommend you select a resolution of 360x640 or below and select `Portrait` for `resMode`.
- For mobile live streaming, we recommend you select a resolution of 540x960 and select `Portrait` for `resMode`.
- For Windows and macOS, we recommend you select a resolution of 640x360 or above and select `Landscape` for `resMode`.

Note `TRTCVideoResolution` supports only the landscape resolution by default, such as 640x360. To use a portrait resolution, please specify `resMode` as `Portrait`; for example, when used together with `Portrait`, 640x360 will become 360x640.

Default value: TRTCCloudDef.TRTC_VIDEO_RESOLUTION_480_360

## Implementation

    int videoResolution;