yag laser device: 1.remove tatoo 2 ... , hair removal, ect.Technical Parameters:Laser type Q-switched ND:YAG laserLaser wavelength 532mn,1064mnFrequency 1-5HzCooling system ... Theory:Eliminate spots, remove tattoos: The specific laser wavelength will effect on and melanin of epidermis ... surrounding tissue) absorbs the tremendous energy of the laser, the temperature rapidly increased, leading to tissue ...