RecordQuickTime Player can record a movie from your camera, or record the screen of your iPhone, iPad, or iPod touch. It can also record audio from a microphone or record the screen of your Mac.
Record a movieMovie recording works with your built-in camera and many external cameras. If you're using OS X Yosemite or later, you can also record the screen of any iOS device (iPhone, iPad, iPod touch) with a Lightning port and iOS 8 or later.
Choose File > New Movie Recording.
To change the recording settings, click the arrow next to the Record button. Then choose your camera or iOS device, microphone, and recording quality.
