I am selling this because I upgraded to a higher-end model. This is a fundamental control tool that anyone who does color grading should have. It shows signs of use, but there are no operational issues. ※ Includes original box and genuine included cables. A multi-functional control panel specifically designed for video editing. - Model: Blackmagic Design DaVinci Resolve Panel - Number of Buttons: Numerous control buttons - Sliders: 3 trackballs - Purpose: Video editing control panel - Connection: USB connection Thank you for viewing.