... wave LED cold light sources With red, yellow, blue, red yellow, red blue wavelength etc optional 1 min ... replaceable single lithium-ion battery in the outside, and endurance of battery is 120mins With Mini ... pain, promote wound healing, postoperative repairFor Wrinkles and whitening Red+Yellow lightTreatment time: 5 minutes/day, acceleration ... , while repair damaged skin Red and blue machine KN-7000C