painless treatment focus rf energy at the correct position, compared to other radio frequency technology.uses low energy and high frequency, safe and effective. aim at the skin surface and deep location, using a complex method to control the different currents and energy to directly access to the different skin layers. after the order is placed, it will be shipped quickly, paired with the corresponding power plug and manual, so you don't have to worry about not being able to operate it. the instrument is economical and of good quality, with after-sales warranty, one year warranty for the main unit and three months for accessories. the source beauty instrument factory, can customize the instrument, the quantity is more favorable, welcome to contact for consultation..syi