Elgato lights are packad with easy to follow directions in cardboard.
After setup, Elgato brand lights are controlled entirely via your computer or phone using the Elgato Control Center Software.
Please note: On Macbooks, the Elgato Control Software appears only at the top right corner of the screen. This will occasionally make it appear as if attempting to open the via the applications menu did nothing. Click on the icon in the upper right corner to open the controls for the light.
Elgato has a guide to their desk lights available here.
GVM Panel lights should be operated in CCT mode only. In most cases, it will not be necessary to use any other features.