8.4 inch color touch screen with clear treatment parameters.suitable any ages and skin types.no pain, no cut, no scar, no side-effect. -10 degress to 10 degreescryo machine with a dual-channel cooling system.both 2 cryo handles with different sizes can work together or separately for different parts of whole body one machine has 6 kinds of handles,they can do treatments for any parts of body: face, whole body.20-30 minutes for one time.2 to 4 times treatment easy operation, easy study.non-invasive treatment does not affect normal work and life.7.no pain, no cut, no scar, no side-effect the green led light integrated with galvanic currents to improve blood flow and cell metabolism, sterilization, giving enhanced results and stimulating the formation of collagen..syi