... -3,JZ-3A), laser beauty, laser treatment, laser surgery, laser physical therapy etc; Portable 15W CO2 laser therapy apparatus (JZ- ... with little pain to the patient.Major Specifications:Laser Wavelength;10.6 μm;Output Power: 1- ... : with two working head, focusing and defocusing;Laser Beam Output control: manual control;Cooling: inside ... 3), 9kgs(JZ-3A). 15W CO2 Laser Therapy Apparatus therapy instrument