laser safety penetrates patients skin at a specific wavelength ( 532nm) targeted for adipose ( fat ) cells. adipose cells are permeated releasing fatty acids (ffa`s), eliminate the abdomen, waist, back, buttocks, thighs, butterfly sleeves, double chin excess fat, reduce the circumference of the treatment site. due to specific wavelength,laser only acts on the subcutaneous fat cell layer, other cells skin and capillary blood vessels will not be damaged during this process, safe and reliable way to reduce fat diversity of customized service, strong oem & odmcapability available. not only supply the beauty machines, but also supply the good service we will provide you with a detailed user manual and operation video, ensure you can operate it well..syi