---
title: external
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avcapturedevice/devicetype-swift.struct/external
---

# external

An external device type.

## Declaration

```swift
static let external: AVCaptureDevice.DeviceType
```

## Discussion

Discussion On iPad, external devices are those that conform to the UVC (USB Video Class) specification.

## See Also

### External devices

- [externalUnknown](avfoundation/avcapturedevice/devicetype-swift.struct/externalunknown.md)