---
title: PRODUCT_REVISION_LEVEL
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/scsicmd_inquiry_standarddata/1572912-product_revision_level
---

# PRODUCT_REVISION_LEVEL

## Declaration

```occ
char PRODUCT_REVISION_LEVEL[4];
```