The image shows a close-up of a green printed circuit board (PCB) with various electronic components attached to it. On the left side of the board, there is a black electronic component, which appears to be a power supply unit. The board has several knobs and switches on it, which are likely used to control the power supply. There are also several other electronic components, such as resistors, capacitors, and transistors, visible on the board. The PCB also has some text and numbers printed on it. The image appears to have been taken from a top-down perspective, looking down on the components.