precise depth adjustment system. non-invasive,no downtime,no recovery time,can have in 3 days after treatment. it has heat effect on dermal collagen and collagenous fibers as well as thermal stimulus on fat layer and smas, whose treatment effect is more than the fractional co2 laser. it is easy and convenient for operation, and no consumable items are required, which greatly saves the treatment cost. tightening and shaping effect is obvious after treatment. it can be maintained at least 18 to 24 months after one treatment and realize negative growth of skin age once a year. make your skin look younger and younger if you need it, please contact me as soon as possible..syi