... 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 ... , easy and convenient4. Humanized operation programme, easy operation even for no experienced beauticians.5. Modular design of the inner parts ...