The image shows a close-up of a printed circuit board (PCB) with various electronic components. The board is green in color and has a rectangular shape. On the left side of the board, there is a black rectangular component, which appears to be a power supply unit. 

On the right side, there are several small electronic components such as resistors, capacitors, transistors, and integrated circuits. There are also several small capacitors and resistors scattered throughout the board. In the center of the image, there has a yellow circuit board with a red arrow pointing to the right, indicating the direction of the current flow.

There are also two black rectangular components on the board - one on the top left corner and the other on the bottom right corner. These components appear to be capacitors or transistors. The circuit board is likely used for controlling the power supply of a computer or other electronic device.