1.1064nm, 532nm and 1320nm (Black Wawa), Wide treatment 2.Shot counter on the side of handle create “Unique” in this market. 3.Alexandrite Q-Switch Nd:YAG,super powerful optical filtering(KTP). 4.Plug-and-play connectors bring easier and faster-maintenance. 5.Infrared indication produces more professional treatment. 6.Alert alarm for low water level, water temp,water flux. 7.Moduarlized inner structure,safe for transportation and convenient for after-sale service.