# voxelSize

> Size of voxels in the collision cache.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.ParticleSystemModule

```csharp
public float voxelSize { get; set; }
```

### Remarks

Smaller values improve accuracy, but require higher memory usage and are less efficient.
