... :808nM,3kg Diode Laser System(MDL500),made in China,from manufacturer.1).Irradiation treatment principleMDL-500 medical semiconductor laser instrument ... canker, bedsore, psoriasis, itch skin,dermatitis, bare fleck, honeycomb system inflammation.Department of gynaecology: dysmenorrhea, pelvic infection,vulvitis, mastitis, ... input :AC220Vor110VWarranty: one year CE approved Diode Laser System(MDL- 500 )