Description: Plastic construction 9 blade fan High speed,big air flow,low noise and long life High quality mini 60mm brushless dc 12v fan, sleeve-bearing design cooling cooler Reducing equipment working environment temperature, prolong the service life of equipment Specification: Size: 60mm (L) x 60mm (W) x 15.2mm (H) Material: Plastic Connector: 3 Pin Rated Voltage: 12V DC Package Includes: 4x Cooling Fan