Yes, you have the ability to record and send videos via Verbling chat! Just click the green plus icon and choose "Record snippet" from the menu:
Next, click the red "Record" button to record video and audio. Please note that you may click the blue buttons to the left to toggle the microphone or camera on or off if you prefer to record audio only or video only.
Finally, click "Use" to send your video to your student or teacher.