LED light, aperture, looks very cool.Hydraulic bearings, quiet working, to use.It offers excellent cooling effect to increase the longevity and stability of the system and components.Bearing Type: Hydraulic BearingApplication Object: Computer CaseFeatures: Universal, LED Light, Silent, Efficient Heat DissipationCooling Fan 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's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Computer Case Cooling Fan Item Name: Computer Case Cooling Fan. Material: ABS. LED light, aperture, looks very cool. Hydraulic bearings, quiet working, to use. It offers excellent cooling effect to increase the longevity and stability of the system and components. Electronics Computers & Accessories Laptop Accessories Cooling Pads & External Fans Cooling Pads laptop-cooling-pads Brand Name SIDUFHAOPKLL Manufacturer SIDUFHAOPKLL Material Type Plastic Cooling Method Air