The product is a lot of 5 Delta AFB0524HHB 24V DC brushless cooling fans, measuring 50x50x15mm. These fans are designed for computer cooling systems and are known for their high efficiency and low noise operation. With a reputable brand like Delta, users can expect reliable performance and durability from these fans in maintaining optimal computer temperatures. Perfect for those looking to upgrade or replace existing cooling fans in their computer setup, these Delta fans provide a steady and effective cooling solution.