... operation 2 IN 1 Elight (IPL+RF) beauty machine for hair removal, vascular removal...Treatment theoryWorking principle: Elight is ... , safe and convenient2. Several safety alarm system, more safe for the clients, doctors, beauticians and machine. 3.8.4 ... convenient4. Humanized operation programme, easy operation even for no experienced beauticians.5. Modular design of the inner parts, more stable 6 ...