This is a Type-C to DisplayPort，HDMI and DVI Adapter. It allows you to transmit signals from a Type-C source to a high definition DisplayPort or HDMI or DVI display (TV sets projectors etc). It can work on Macbook or Google new Chromebook Pixel and other USB-C supported devices.
Note: If two or three of the outputs are connected then only one output can receive the a signal. The priority sequence is: Displayport HDMI DVI