... wrinkles removal, tighten skin, contract large pores, Nd: YAG laser all colors of tattoo removal, spots removal, embroidery lipline, ... for body RF Frequency:600KHz(6Mhz) Laser part Laser type: Q-switched ND:YAG laser Laser wavelength:532nm,1064nm Pulse energy:600mj ... be more convenient for check and repairs 6. Strong cooling systems: Water+ wind+ semiconductor cooling 7. Filter changeable E-light ...