The product is a set of four Nidec 92mm cooling fans, model H92C12BUA7-07A02. These fans are designed for computer case cooling and operate on a 12V voltage with a 4-pin power connection. With a diameter of 92mm, they provide efficient airflow to help regulate the temperature of computer components. Nidec is a reputable brand known for producing high-quality cooling solutions for various electronic devices.