... circulation, respiration, digestion, and neuroendocrinology system. 2. Descrpition KPT Laser Pen Physiotherapy uses low energy laser beam to stimulate ... 3. SpecificationsWavelength: 980nmWave type: semiconductor laserCapacity: 50mW, 100mW 4. Included KPT laser pen, a metal container, focusing card, and user ... will appear if it is real. 6. Warning1. KPT Laser Pen emits infrared ray, which is invisible to ...