1. 4 in 1 machine, vacuum, cavitation, rf, diode laser 2. instant results for weight loss, ... precisely!2. Color touch screen, better customer-machine interface. 3. 4 systems in one machine, the highest cost performance4. Non-intrusive ... most advanced technology. It highly combines the advantage of Ultracavitation, Vacuum, RF and Diode laser.The Ultracavitation uses ultrasound cavitation effect ...