This machine is Mesotherapy Needle Free Skin Rejuvenation Electrophoresis Facial Skin Photon Lights .Stick to use it, you can achieve the effect of skin rejuvenation, improve skin permeability and remove forehead lines, eye lines, neck lines. Let the skin return to a young state. Photon colors Therapy Red Light (415nm-450nm) Stimulate the production of collagen. Collagen is the essential protein used to repair damaged tissue and to replace old tissue. Best for fine lines,reduce pore size, swollen after surgery. Blue Light (430nm-450 nm) : Acne bacteria contains Porphyrins; The blue light is able to kill Porphyrins due to the high affinity with this wavelength. The blue light furthermore has a calming action resulting effective on hypersensitivity. Green Light:(520nm-530nm) a, Biological effects: it is a natural color b, treatment effect: regulation of skin gland function, improve oily skin, blackheads,acne, etc.; c, Application: oily skin. Yellow Light(580nm-590nm) Provide enough oxygen to skin, tighten skin and lift skin Advantages: 1 Body and face rejuvenation 2 Elimination forehead wrinkle,corner of the eye wrinkle,eye pouch,dark circle and neck wrinkle 3 Bio-Moisture and rejuvenation 4 Bio-Cellulite eliminate and whitening 5 Bio-Bloodshot removal and skin care 6 Eliminate double chin Specification: Power:15W Electric Current:120MA Power Supply:110V-240V Colors: red, green, yellow and blue colors Both 110v and 220v voltage version are available. We will ship right voltage version to right region if buyer doesn't specify it. Package Listing: 1 x Main machine 1 x Power adapter