... cooling system: semiconductor + air + water, good performance for long time workingHigh quality of machine shell: ABS material Product DescriptionAdvanced technologies, bipolar radio frequency ... . ModelE-09Range of Spectrum480,530,640-1200nmOption430,585-1200nmRF Frequency10MHzMax RF Output0-100J/cm³Density of IPL Energy1-50J/cm², adjustableSpot ...