q switch nd yag laser equipment with 3pcs of tips for different treatments :1064nm, 532nm, 1320nm probes are suitable for all skin types. No melanin precipitate, fast effective and painless.Laser spot size is 2 to 11mm adjustable. Imported Japan laser infrared aiming beam, Water+air cooling system. 6 treatment projects for your choice. We have detailed user manual and treatment parameters for your reference, please do not worry about it. nd yag laser machine with more than 5,000,000shots shots can make you use a long time, true high cost performance..syi