The built-in water-cooling + air-cooling circulation system ensures that the instrument can run continuously under high-energy conditions. The skin temperature is moderate during treatment, and the customer experience is more comfortable. It supports burst frequency, which is suitable for processing larger tattoo patterns or densely pigmented areas, with high operating efficiency and short customer waiting time. Laser penetrates deep and selectively acts on pigment particles without affecting normal skin tissue. It is safe for different skin types and people. It uses Q-switched Nd:YAG technology to release high-intensity instantaneous laser pulses to effectively break up pigment clumps in the dermis, without any trauma to the skin surface and with a short recovery period. It can act on tattoo pigment particles of different colors such as black, blue, red, green, etc. to completely remove spots and tattoo patterns..syi