This Blackmagic Design UltraStudio 4K Thunderbolt 2 comes with a correct power supply. However, be aware that the panel buttons are dimmer than normal.

Using this Blackmagic Design UltraStudio 4K Thunderbolt 2 is easy. First, connect it to your device using the provided correct power supply. You can then start capturing high - quality video. As for the panel buttons being dimmer than normal, it doesn't affect the functionality. When it comes to maintenance, keep it in a clean and dry place. Avoid exposing it to extreme temperatures or humidity. If you notice any other issues, contact customer support.