12CM Router Cooling Fan Double Ball /Sleeve Bearing Rack 5V USB Set-top Box Broadband Cat Cooling Rack

Tip 1 is Sleeve Bearing 2 is Double Ball Please buy according to your needsPackage Includes 1 x Router Cooling FanSpecification Product Name Router Cooling FanSize 120 120 25mm 4 7 4 7 0 98inColor BlackMaterial ABSVoltage 5VSpeed 1600 5 RPMBearing structure Double Ball Sleeve BearingTemperature range 10 60 Feature High air flow low noise and long life Designed for projects that requires cooling or ventilation or as a replacement fan for various products For Router TV box and so on Double Ball is longer service life suitable for 24 hours continuous work sleeve bearing is more silent Low Speed Has a lower noise and airflow rating than high speed modelsNote The color of the item may vary slightly due to photography and different PC monitor The size might be slightly different due to manual measurement Your kindly understanding would be appreciated