Function 1.Red(630 nm): Can improve the cell activity, with whitening and skin firming anti-aging efficacy. 2.Blue(470 nm): Can inhibit the inflammation, bactericidal ,and anti-inflammatory. 3.Green(520 nm): To reduce skin oil secretion, balance the water and oil. 4.Yellow (590 nm): Supplementary energy to skin cells and makes the pigment decomposition 5.Purple: Has a good effect and repair in the treatment of acne and remove acne scars. 6.Cyan: The metabolism has a very good role in promoting. 7.White: Penetrate the skin deep, accelerate the metabolism of the active tissue. Product Include 1 x Facial Machine 1 x Neck Machine 1 x Remote Control 8 x Contact 1 x Adapter 1 x User Manual