Lecture capture device with control button and status light. To record ad-hoc, press the control button for 4-5 seconds until the status light turns a bright steady red. To pause recording, momentarily press the control button - the status light with pulse red. To restart the recording momentarily press the control button. To end the recording, press the button for 4-5 seconds until the status light turns off. Click on the website links for more information.