---
title: deviceSize
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nstouch/devicesize
---

# deviceSize

The range of the touch device in points, such as 72 ppi.

## Declaration

```swift
var deviceSize: NSSize { get }
```

## Discussion

Discussion The lower-left corner of the surface is considered (0,0).

## See Also

### Using Touch Device Properties

- [device](appkit/nstouch/device.md)