... Product Features1, 100% sapphire high efficiency light transmissions system, strong power supply system for high stable laser output.2, Exellent contact ... temperature, available status of handpiece etc.6, Emergency stop system.Specification1,Power supply: AC110V~120V or 200V-240V 50Hz2, ... Laser Energy: 40J/cm2, 1~50 level can be adjusted3, Laser Wavelength: 808nm4, Laser ...