... Cavitation frequency optional: 40KHz, 28KHz+40KHz, 50KHz, 1MHz, satisfy more demands from different persons.3. Vacuum ... , more smart and easy to operate! ParameterDescriptionsUltrasonic Cavitation Slimming MachineDisplay8.4 inch LCD color touch screenCavitation ... : YAG Laser, Dental Laser, IPL, ELIGHT, SHR, Cavitation, Vacuum, RF, Oxygen jet peel, LED, Vascular removal, Multifunction machine, ...