The specifications include; Voltage, 12V Voltage Range, 6- 13.2V Current, 1.95A mps Speed, 4300 RPM at rated voltage zero pressure Flow (Max), 199.7CFM Pressure Rise (Max), 0.64 inH2O Noise, 61dBA at rated voltage zero pressure, measured at 1 meter to side 61dBA is an loud hum in a lab environment.