... touch screen, high tech and quality laser hair removal Product Features1, 100% sapphire high efficiency light transmissions system, strong power supply system for high stable laser output ... temperature, available status of handpiece etc.6, Emergency stop system.Specification1,Power supply: AC110V~120V or 200V-240V 50Hz2,Laser ... <5 degree by water9, Diameter: 420mm*380*1150mm Laser Hair Removal System