... light transmissions system, strong power supply system for high stable laser output.2, Exellent contact cooling for more comfortable and safe ... system.Specification1,Power supply: AC110V~120V or 200V-240V 50Hz2,Laser Energy: 40J/cm2, 1~50 level can be adjusted3 ... , Laser Wavelength: 808nm4, Laser pulse frequency: 1Hz5, Operate interface: 10.4'' TFT color LCD ...