1、Small noise, large air volume, strong stability, long life. 2、High quality mini DC 12v fan, oil bearing design cooling cooler. 3、Reducing equipment working environment temperature, prolong the service life of equipment. 4、Plastic structure 5 blade fan. 5、100% brand new and high quality. Oil-bearing: low accuracy, with service life of 20000 hours, about 3 years, the bearing and the shaft are in contact with the relative motion line, and the running friction force is relatively high. Features: 1. Small noise, large air volume, strong stability, long life. 2. High quality mini DC 12v fan, oil bearing design cooling cooler. 3. Reducing equipment working environment temperature, prolong the service life of equipment. 4. Plastic structure 5 blade fan. 5. 100% brand new and high quality. Specification: Condition: 100% Brand New Model: 3D Printer 4020 Material: ABS Color: Black Size: Approx. 40 * 40 * 19 mm / 1.5 * 1.5 * 0.7 inch Type: DC fan Motor Power: 1.8(w) Current: 0.15 (A) Scope of Application: Inverter Printer Air Volume: 12 Speed: 7000RPM (r / min) Weight: Approx. 23 g Package List: 1 * Cooling Fan Note: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.