Parameter:IPL Parameter:Spectrum range: 430nm-1800nm, multiple wavelength for optional.(five filters were collocated)Energy density: 0-50J/cm2(IPL)Pulse sequence:1-3Pulse width:1-25msPulse time:5-100msRepetition:1-6sSpot size:8 mm×40mmCooling system:semi-conductor cooling system, closed-water cooling system,wind-exchange cooling system