Red (RED) light penetrates the depth of the skin from 1 to 6mm, improves skin scars, whiten and lighten blemishes, rejuvenate and eliminate wrinkles, increase skin elasticity, improve skin condition, etc. Green light (GREEN) penetrates the skin to a depth of 0.5-2 mm, has a very calming effect on sensitive skin, body and mind. The yellow (YELLOW) light in the depth of skin 1-2mm, effectively improve red skin, pigmentation and redness. Blue (BLUE) light penetrates the skin to a depth of 1mm , for meticulously sensitive skin, repair the has a good effect. Orange (ORANGE) light, penetrates the deep layers of the skin, breaks up blemishes, improves fine lines and sagging skin. Purple (PURPLE) light penetrates the depth of the skin 1-2mm, a double frequency light of red and blue light, combining the effects of two kinds of light, esp especially on the and marks, which has particularly good effects and repairs. Effects Calcium supplement, penetrate deep skin, improve rough skin, improve skin immunity, improve skin fever. Specification: Condition: 100 % New Item Type: Photon Device Light Source: 7 Colors Function: Seven Color LED Light Package List: 1 x Main Machine 1 x manual 1 x eye patch 1x adapter 1 x dropper 1 x water cup Note: No need to add water to use for