Portable 15W CO2 laser therapy apparatus (JZ-3,JZ-3A) have advantage of small size, ... light weight, easy operation and convenienc. Portable 15W Co2 laser therapy instrument (JZ-3, JZ-3A) have advantage of small size ... ;Weight: 6kgs(JZ-3), 9kgs(JZ-3A); 15W CO2 Laser Therapy Apparatus