The core function of this Allergic Rhinitis Therapeutic Laser Instrument is to use a specific type laser light to cauterize the overactive nasal respiratory tissues in the nasal mucosa. By desensitizing the nasal cavity， you can achieve real physical relief from your allergic symptoms.Product Features Effective where other standard treatment regiments fail or are becoming less effective Great supplement to the allergy medicine and allergy shots you are already getting Power: 8-12mw Light Wavelength: 660nm Standard Treatment Time: 5 minutes Powered by 2*AAA battery (not included)Package Contents 1 * Treatment Instrument 1 * Laser Cable 1 * User Manual