Package Includes 2 Pieces blower fan 5020 12v Size:50x50x20mm Bearing type: Sleeve bearing Connector: XH2.54-2Pin Rated voltage:12V Rated current: 0.12Amp this can vary a bit Fan speed:5000±10%rpm Air flow: 4.6CFM±10% Noise level:38.7±10%dBA Net Weight: 29g/pcs Cable length:25cm Life: 35000 hours