... the body to produce pain, the serotonin content decreased after red light irradiation, thus analgesic effect. Indications: furuncle, carbuncle, ... damage to normal cells, etc., due to the expensive laser or a low output power, thereby affecting the photosensitive treatment ... at the spot diameter> 90mm5) Treatment time :1-99mins continuously adjustable, step 1 min; error of ± 10%6) Input power: ...