The Sunon EF80252B1-1000U-A99 DC Fan is an electrically powered cooling component designed to provide a steady flow of air to keep electronic devices running at optimal temperatures. It measures 80mm by 25mm and runs on 24VDC, and features 2-ball bearings to ensure reliable operation. This fan was manufactured in the fourth quarter of 2017 and is marked with the product label “MP,” indicating that it meets the highest quality standards.