... pigment:birthmarks(black, blue, green, violet, brown, brown, red),Senile plaques,freckles etc.exogenous pigment:tattoo removal,eyebrow tattoo ... mixed skin lesions and the formation of pigment pigmentationSpecification:1.Laser Type: Q-switched ND YAG2.Wavelength: 1064nm&532nm3.YAG ... Φ74. Power Supply: 500W5.Pulse Energy: 500W at 532nm,1000W at 1064nm6.Pulse Duration: less than 10ns7.Pulse Rate: 1 ...