... / 60Hz Weight: 25 kgs JZ-3, JZ-3A portable CO2 Laser Therapy Apparatus: Major Technical Parameters: Output Power: 1~15w Output Method ... (JZ-3A)Other Type: 1. Co2 laser therapy apparatus JZ-3 (portable, 15W) ; JZ-3A (portable, 15W) ; JZ-1 (common, 30W) ; JZ- ... laser, 4mW, double laser tubes) ; 3. Semiconductor laser therapy apparatus HJZ-2C (portable, 500mW) ; HJZ-2D (single therapy head, 500mW) ; HJZ- ...