# Screen capture devices

## <span style="color: rgb(0, 0, 0);">When do I need a screen capture device?</span>

<span style="color: rgb(0, 0, 0);">You can easily record what your test participant is doing on his or her computer with a screen capture device. Such a device will provide you with high quality images of the screen at which the test participant is looking.</span>

## <span style="color: rgb(0, 0, 0);">Supported screen capture devices</span>

### <span style="color: rgb(0, 0, 0);">Epiphan screen capture devices</span>

<span style="color: rgb(0, 0, 0);">Epiphan screen capture devices are hardware devices that will stream the screen captures of the test computer to the computer with MediaRecorder. MediaRecorder supports Epiphan Pearl Nano.  
</span>

<span style="color: rgb(0, 0, 0);">See [Epiphan screen capture devices](https://bookstack.noldus.com/link/534#bkmrk-page-title)</span>

### <span style="color: rgb(0, 0, 0);">MR Screen Capture tool  
</span>

<span style="color: rgb(0, 0, 0);">The Screen Capture <span style="color: rgb(45, 194, 107);"><span style="color: rgb(0, 0, 0);">tool</span> </span>is an add-in to your MediaRecorder license.</span>

<span style="color: rgb(0, 0, 0);">See: [Use of the Screen Capture tool](https://bookstack.noldus.com/link/419#bkmrk-page-title)</span>