... optional for each dot.Technical specificationLaser apparatusSealed off laser device stimulated by direct currentCondenser focusf=50mmBeam ... RF skin rejuvenation equipment, E light series beauty equipment, IPL beauty equipment, laser tattoo removal equipment, laser hair removal equipment, ultrasonic lipolysis equipment, Co2 laser eqiupment etc.5. ... welcome to visit. RF fraxel Co2 laser scar removal