Red Light Therapy Device Red Infrared Light 630nm 670nm 850nm 940nm for Pain Relief on Body, Knee, Ankle, Hands, Feet, Dogs, Muscle Stiffness and Improve Face Skin, Anti-Aging Lamp Pen,Upgraded to 4 LEDs What Is Red Light Therapy Red light therapy (RLT) is a powerful therapeutic technique and an alternative healing method. It uses red low-level wavelengths of light for a variety of therapeutic purposes, including wound healing, scars, and other skin issues, inflammation, pain, hair growth, and sleep quality. Red light therapy was originally used in the 1990s by scientists to help grow plants in space, because of its ability to promote photosynthesis and plant growth. Further research and experience have found that alterations influence cellular redox state and function and positively affect their photosensitivity resulting in a variety of health benefits. Today it is widely for the listed therapeutic benefits. It is used in medical settings for skin conditions, wounds, and chemotherapy side effects, in salons for cosmetic skin concerns, and even in personal home settings for any desired benefits. Red Led Light Therapy Device Specifications: Type: Red Light Therapy for Face and Body use with 4 Wavelengths (Red 630nm & 660nm, Infrared 850nm & 940nm) Product dimensions: 4.92x0.95 inches. Product weight: 0.2 kg. LED quantities: 4 (2 visible and 2 invisible). Material: Stainless steel. Wavelength: 630:660nm red & 850:940nm infrared. Irradiance: Surface 281mw/cm2, 4Inch 71mw/cm2. Illuminance: 220 lux at 15cm. Battery: 2*2200MA. Warranty: 24 Months. Lifespan: 50,000 hours plus. Feature Natural Pain Relief: Our led red light therapy device is safe and painless with no any side effect, it helps you to reduce pain and aches in your body and super beneficial for Smooth skin & tissues, reduce wrinkles and effectively relieve pain. Powerful combination: Our T4 red light therapy torch penetrates deeper with both Red 630nm & 660nm and infrared lights, 850nm & 940nm (NIR), you can find 2 LEDs are on & 2 LEDs are invisible to naked eyes, actually it works. Portable and easy to use: Included a storage hand bag and hanging strip, so you can always use and carry it everywhere. Simply hold our red-light therapy device over the target area. for light pain 1 minutes a day, for avg pain 2 minutes twice or trice a day and for deep pain treatment 3 minutes 3 times a day. Humans & Animals: Not just humans, Pet owners can also use our cold laser therapy device on Animals bodies because its work in the same way, to relieve Animals (PETs) joint pain at home & outdoor. Excellent Material: The outer shell of this red light device is made of 303 stainless steel, which is sturdy and durable, with a service life of 50,000+ hours. It is recommended that the single use time for the same area is 3-5 minutes, and the use time can be relatively extended with the lengthening of the use distance.