The 120mm 12V 0.45A 2Pin DC Brushless Cooling Fan by Wathai is a pack of 2 black fans designed for various compatible devices such as a battery box, desktop, fume extractor, outdoor cabinet, and refrigerator. With an air flow capacity of 93 cubic feet per minute and a cooling method of air, these fans are efficient and effective in cooling systems. Made of plastic, these fans are lightweight at 4.48 ounces each and have dimensions of 4.72"L x 4.72"W x 0.98"H. The 2-pin power connection ensures easy installation and operation for optimal cooling performance.