---
title: verticalSyncWidth
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/iodetailedtiminginformationv1/1505636-verticalsyncwidth
---

# verticalSyncWidth

## Declaration

```occ
UInt32 verticalSyncWidth;
```