Speed Control High Air Flow 8.0 CFM Static Pressure 2.532mm-H2O Input Current (White Led) 0.42A Speed 1600±10%RPM Acoustical Noise 28.7dBA Input Power 5.04W Speed Control Low Air Flow 5.5 CFM Static Pressure 1.424mm-H2O Input Current (White Led) 0.30A Speed 1200±200RPM Acoustical Noise 22.45dBA Input Power 3.60W