Feature:1. Maintenance-free double ball bearing with adequate cooling air volume and pressure has long service life.2. Made of high quality engineering plastics, long service life, not easy to damage.3. It can be used for indoor and outdoor communication base station, data center, network router, control cabinet and network switch, elevator ventilation and motor drive.4. It can be used for 100,000 hours at ambient temperature of 25 and humidity of 4585 percent .5. Easy for installation, reliable quality ensuring stable and excellent performance.Specification:Item Type: Turbine BlowerMaterial: PlasticBearing Type: Double ballRPM: 480010 percent Rated Voltage: DC12VCurrent: 2.40 A (Actual use current: 1.23A)Air Volume: 42.8CFMWind Pressure: 62.4mmh2oInterface: Three pinsNoise Value: Maximum 65.6dbWiring: (red positive electrode, black negative electrode), can be used after the two connected.Size: Approx. 97 x 97 x 33mm or 3.8 x 3.8 x 1.3inWeight: Approx. 177g or 6.2ozPackage List:1 x Turbine BlowerNote:Please allow 13cm error due to manual measurement. Thanks for your understanding.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.