Red Light Pen Home Use Joint Pain Pen Infrared Light Therapy Skin Care Led Red Light Therapy Torch Feature 1.Red Light Therapy: Wavelengths have been shown in clinical trials to be effective for pain, inflammation and tissue repair. 660nm red light and 850nm infrared lights wavelengths were chosen by Red Light Therapy for Cold Sore because they can act at different depths of the cortex, meaning they have therapeutic effects on different layers of the skin. This is a unique feature compared to other similar products with different wavelengths. 2.Canker Sore Treatment: Cold sore red light therapy is a convenient and effective way to manage sores and ulcers inside the mouth. non-drug, non-invasive,simply hold the light over the painful area for up to 3 minutes daily,1-3 times a day. The LED Red and Infrared Light Therapy Red Light Therapy also called Low-Level Laser Therapy or Photobiomodulation(PBM) It produces a specific light wavelength and light irradiance. 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. Our Red Light Therapy Device with Pulse Width Modulating(PWM) driven, Maximum the LED light irradiance. Product specification Item Type: Canker Sore Device Material: Stainless steel Battery: 18650, 1pcs (remove the battery sleeve and use 1pcs 26650 battery) (shipped without batteries) Reflective cup: Aluminum alloy plating reflective cup, better light effect, antioxidant layer Wavelength:630:660:850nm Product Size:12525mm _x000D_