... , friendly human interface, more smart and easy to operate! ParameterDescriptionsUltrasonic Cavitation Slimming MachineDisplay8.4 inch LCD color touch screenCavitation Frequency40KHz, 28KHz+40KHz ... CO2 Laser, Nd: YAG Laser, Dental Laser, IPL, ELIGHT, SHR, Cavitation, Vacuum, RF, Oxygen jet peel, LED, Vascular removal, Multifunction machine, etc ...