660nm 850nm handheld red light therapy coverage treatment inside or outside in mouth to be canker oral cold sore disinfection machine device

the led red and infrared light therapy red light therapy also called low-level laser therapy or pbiomodulation(pbm) it produces a specific light wavelength and light irradiance. infrared light led through its emitting chip, could get the light that we need. it has been proven led has the same effectiveness as a laser and it safe to use. zobosin red light therapy device with pulse width modulating(pwm) driven, maximum the led light irradiance. built-in one minute timer, the device will auto-off in one minute.