---
title: kIOVideoFeatureControlClassIDShutter
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646200-anonymous/kiovideofeaturecontrolclassidshutter
---

# kIOVideoFeatureControlClassIDShutter

## Declaration

```occ
kIOVideoFeatureControlClassIDShutter = 'shtr'
```

## Discussion

Discussion A IOVideoFeatureControl that controls the integration time of the incoming light. The units for the control's absolute value are seconds (s).