Special function: Auto star Bearing type: sleeve Voltage:5v ~12V Current: 0.10A~0.22A Power:0.9W~1.3W Speed:10000~15000 Air flow:0.85CFM~1.41CFM Pressure:2.24mmH2O~5.22mmH2O Noise:26.84dB~39.65dB Weight:4g