... missing Feature:1. Combine the new low frequency ultrasound Cavitation, RF,Vacuum, 635nm Diode Laser four technology in ... control system, energy output evenly and precisely7.Professional vacuum pump, best result traceless,no rebound, long- ... WCavitation Frequency"40KHz "/ “28KHz+40KHz Adjustable”/ “1Mhz”Vacuum Pressure100KpaRF Frequency1-40MHz AdjustableRF energy2-600J, adjustableDiode Laser ...