> For the complete documentation index, see [llms.txt](https://documentation.hak5.org/screen-crab/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.hak5.org/screen-crab/getting-started/configuring-the-screen-crab.md).

# Configuring the Screen Crab

By default the Screen Crab will save screenshots to a MicroSD card at regular intervals. With a blank MicroSD inserted, the Screen Crab will write a `config.txt` file to the root card.

### DEFAULT CONFIGURATION:

```
LED ON
CAPTURE_MODE IMAGE
CAPTURE_INTERVAL 5
STORAGE FILL
BUTTON EJECT
```

###  CAPTURE CONFIGURATION:

```
 LED [ON, OFF]

 CAPTURE_MODE [IMAGE, VIDEO, OFF]         (LED indication: Image=Blue, Video=Yellow, Off=Off)

 DEDUPLICATE [ON, OFF]  (Only for IMAGE CAPTURE_MODE)

 CAPTURE_INTERVAL [N] (in N seconds)

 STORAGE [ROTATE or FILL]

 BUTTON [EJECT, OFF]

 VIDEO_BITRATE [LOW, MEDIUM, HIGH]
 (low 2Mbps, medium 4Mbps, high 16Mbps)
```