... , tighten skin, contract large pores, Nd: YAG laser all colors of tattoo removal, spots removal, embroidery ... RF Frequency:600KHz(6Mhz) Laser part Laser type: Q-switched ND:YAG laser Laser wavelength:532nm,1064nm Pulse ... also separates the water circulation from electricity system, ensure the security of machine 5. Automatic ... self-test system and Modular Design of inner structure, ...