The product is a used Delta EFB0412VHD-ROO 4020 4CM 12V 0.18A North and South Bridge Ball Cooling Fan. This DC fan is designed to provide efficient thermal management for electronic components and semiconductors. With a voltage rating of 12V, this fan is ideal for use in various electrical equipment and supplies in the business and industrial sectors. Its compact size and reliable brand make it a valuable component for cooling systems in a wide range of applications.