Features: brand new and high quality Adopt centrifugal fan structure, strong cooling, only suitable for P5 host heat dissipation. The rotation speed of the cooling fan is controlled by the rotary switch, and the operation is convenient. Equipped with a fan gear indicator light to indicate the size of the cooling wind in real for time. The cooling fan can work in 3 different speed states, providing 3 different wind speeds. Has an extended USB interface. Specifications: Material:ABS Color:Black/White Working voltage: for DC 5V Working current: ≤500mA Size:Approx.255x62x55 mm/10x2.44x2.16 inches Package Includes: 1x Cooling Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.