PROFESSIONAL-GRADE RED LIGHT - 660nm Red Light(visible light) could speed up the met-abolic reaction of cells, and stimulating the body's natural process to heal.850nm infrared light (invisible light) can penetrate deep into muscle tissue,relieve arthritic and joint pain, reduce inflammation and stiffness.SAFE & EFFECTIVE - The front of the red light is covered with a layer of transparent TPU film, which can isolate the sweat and oil on the skin and better protect the skin.Red & infrared light therapy can be used on multiple areas of the body.Can pain relief for shoulder,lumbar spine,nape, hip, ches and so on.PORTABLE & EFFORTLESS - The red light devices are designed to be lightweight and portable, is suitable for various scenarios.Simply press a button, place the light on the painful area, and enjoy effective infrared light therapy at home, in the office, or even while traveling.DOCTOR-RECOMMENDED - REDLOOK Red light therapy belt great for sports injuries and tissue repair.Many doctors recommend his customer and athletes to use this product with good results.Now no more spending thousands of dollars，and free your body from pain, age and injury.BEST GIFT FOR FAMILY &FRIENDS - The exquisite and portable gift box packaging is thoughtful gifts for women and men,helping them to feel free and relaxed,stay on top of health.If any problems in your package, please contact us in time. We offer a 1 year free warranty. Product Description