... acupunctureLaser acupuncture, also called acupuncture point irradiation, laser needle, light needle, light acupuncture, etc, it is basis of laser energy, stimulate ... and carrying.5) populare in treatment3. Infrared LaserInfrared laser light is the wavelength in scope of 0.76-400 micronmeter ... feeling, it must stop irradicating.7. There is a indicator light in pen body, it shows the power of battery.8 ...