808 diode laser for hair removal. Painless depilate 1. Theory of operating: ... and destroyed, so that the hair follicles to stop growing. Diode laser light intensity and concentrated, can penetrate the skin surface ... Faciall Upper lipl Arml Backl Bikini 3. SpecificationsItemsSpecsLaser wavelength / Type808nm / Diode laserLaser Energy output0 ~ 40J / cm2 adjustableLaser pulse width1~400ms adjustablePulse ...