532nm laser-- Treat brown & red pigmentation can penetrate into light layer of the skin;therefore,it is very easily absorbed by the brown,red and deep-brown color pigment. For example, eliminating freckles,pigment spots and other light-color tattoos 1064nm laser --- Treat black & blue pigmentation can penetrate into deep layer of the skin,so it is easily absorbed by blue,black and green color pigment;therefore,it is very suitable to treat the pigment disease in the dermal layer. For example,getting rid of tattoos,eyebrow,Oat,nevus and pigmented disease. 132onm laser -- Carbon Peeling for blackhead removal, skin whitening, shrink pores, skin rejuvenation, acne treatment.Q1. How is the quality control of your products? A1: Before delivery we will check all of the goods one by one! Q2. What about delivery time? A2: Usually it takes us 3-5 working days for delivery Q3 .Can you accept OEM/ODM service? A3: Yes, OEM and ODM orders are highly welcome. Q4. What about payment mode? A4: Western Union, PayPal, Bank Transfer,T/T,L/C. Q5. If the product with quality problems, what should I do? A 5: You can return the goods back to us or make the adjustment under our online training.1.The simple appearance welcomes customization. 2.Wavelength:532nm,1064nm and 1320nm, 3 different wavelength to be chose for different function. 3.Screen and language:8-inch color touch screen.