This cooling fan allows your computer case to quickly dissipate heat, which is very practical. Equipped with 4pin interface, 3pin interface, 8 pieces of silicon steel plate, original IC and all copper wire, it is very durable and has long service life. With LED axis light source, there are three lighting effects of red, blue and color to choose from. Item Name: Cooling Fan Material: ABS Cooling Method: Air Cooling Features: Good Heat Dissipation, Long Service Life, Durable, with LED Light Size: 12cm x 12cm x 2.5cm/4.72" x 4.72" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cooling Fan 4 x Screws