1. 808nm diode laser 2. Wonderful design 3. Perfect result for hair ... transmissions system, strong power supply system for high stable laser output.2, Exellent contact cooling for more comfortable and ... available status of handpiece etc.6, Emergency stop system.Specification1,Power supply: AC110V~120V or 200V-240V 50Hz2,Laser Energy: 40J ... : <5 degree by water9, Diameter: 420mm*380*1150mm Diode laser