1. 808nm diode laser 2. Wonderful design 3. Perfect result for hair removal ... transmissions system, strong power supply system for high stable laser output.2, Exellent contact cooling for more comfortable and ... : 40J/cm2, 1~50 level can be adjusted3, Laser Wavelength: 808nm4, Laser pulse frequency: 1Hz5, Operate interface: 10.4'' TFT ... cooling: <5 degree by water9, Diameter: 420mm*380*1150mm Diode laser