Perfect for PC builders maintaining optimal CPU temperatures, outdoor enthusiasts enhancing grill combustion, and IT professional managing networking cabinet ventilation Engineered for confined space airflows management in server racks, electronics enclosures, and camping grills, ensuring efficient heat dissipation High DC12V blower delivers powerful 48CFM airflows with durability ball bearings, ideal for server cooling, printers, and outdoor grilling applications Features 4wire interfaces (red/yellow/blue/black) for polarity, speed and adjustable speed control, complemented by a 41cm PVC coated cable and light housing It can be used for 80,000 hours at an ambients temperature of 25℃. It has a signals line with speed measurement function, Manufacturer: Elnwnnkc