... good services, are appreciated by users. In recent years, JZ series laser therapy apparatus of the GUOGUANG brand had competedfor the ... : (AC) 110 / 220v, 50 / 60Hz Weight: 25 kgs JZ-3, JZ-3A portable CO2 Laser Therapy Apparatus: Major Technical Parameters: Output ... Co2 laser therapy apparatus JZ-3 (portable, 15W) ; JZ-3A (portable, 15W) ; JZ-1 (common, 30W) ; JZ-1A (pulse, 30W) ; JZ-1C (super pulse, ...