... the consistently wave length with FARADHIC(30HZ) and laser light, reactive dull and aged cells, tighten skin, ... with the laser light, shrink pores, removal of dark circles. Technical Specification: Light sourceYellow,green,blue,purple,laser,these color ... can mix PDT lightOutput wave200-900nmFrequency1-30HzPower20J stationary PDT LED light beauty ...