Battery Capacities:--18V Li-Ion #Maximum Air Volume --92 CFM (2.6 m3/min) #Maximum Air Velocity --179 MPH (80 m/sec) #Maximum Air Pressure --5.4 kpa (550 mm H2O) #No Load Speed--0 - 18,000 RPM #Vibration Level --2.5 m/s2 #Noise Level --83 dB(A) #Overall Le