one machine has five 360 surround cooling handles,medical silicone cryo handles, can do more comfortable treatment for your clients. 14 different size exchangeable contours for big and medium cryotherapy handles, for different body areas, you don't need to buy extra handles. large cooling handle, medium cooling handle and small double chin cooling handle. any 4 of 5 cryo handles can work at the same time, save more treatment times. 10inch lcd touch machine screen+ 5inch lcd touch handle screen,they keep sync to adjust the paramters. it makes the treatment to be more convenient non-invasive treatment does not affect normal work and life.no pain, no cut, no scar, no side-effect..syi