If the video is blurry please try setting the video quality to 720p. To do so move your mouse to the bottom right corner and you should see a gear icon. Click on that and there will be an option to change the quality of the video. Select 720p and the video should be clearer.
Please see the following video on how to replace the roll of visitor badges and more:
Unable to see the video? Contact email@example.com for assistance.