Specifications: LED light, dual aperture, looks very cool. Hydraulic bearings, quiet working, durable to use. It offers excellent cooling effect to increase the longevity and stability of the system and components. Item Name: Computer Case Cooling Fan Material: ABS Bearing Type: Hydraulic Bearing Application Object: Computer Case Features: Universal, LED Light, Silent, Efficient Heat Dissipation Cooling Fan Size: 12cm x 12cm x 2.5cm/4.72inch; x 4.72inch; x 0.98inch; (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 Computer Case Cooling Fan