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 45～85%. 5. Easy for installation, reliable quality ensuring stable and excellent performance. Specification: Item Type: Turbine Blower Material: Plastic Bearing Type: Double ball RPM: 4800±10% Rated Voltage: DC12V Current: 2.40 A (Actual use current: 1.23A)Air Volume: 42.8CFM Wind Pressure: 62.4mmh2o Interface: Three pins Noise Value: Maximum 65.6db Wiring: (red positive electrode, black negative electrode), can be used after the two connected. Size: Approx. 97 x 97 x 33mm / 3.8 x 3.8 x 1.3in Weight: Approx. 177g / 6.2oz Package List: 1 x Turbine Blower Note: Please allow 1‑3cm 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.