... to operate,650nm wavelength low-power laser to irradiate nasal cavity,non-invasie. ATL-100Alicn semiconductor laser therapeutic apparatus is a new generation ... a 650nm wavelength low-power laser to irradiate nasal cavity, it’s a non-invasive physical therapy.n With radio this ... 5%~95%n Wavelength: 650nmn Output power: 3,4,5mWn Therapy time: 15 minutes hint, 30 minutes finish the therapyn Battery ...