UTK Red Light Therapy If there is a metal built-in in the body, please consult your doctor for professional advice before use - UTK Red Light Therapy Pad Are you stressed and have difficulty falling asleep? Are you sitting for a long time and your muscles are stiff? Are your muscles sore after exercise? Is your skin easily unhealthy? UTK infrared red light therapy pad has Upgraded 4 in 1 Led Beads, which total 120 LEDs and each led includes 3* 660 nm red light and 1* 850 nm near-infrared light. Red light and near-infrared light are the great combination for health. By penetrating skin and bones, it improves sleep, relieves pain after exercise, accelerates wound healing, improves skin - Relieve Back Pain Device EffectivelyRed light therapy is a non-toxic and harmless natural remedy. This pad can reach the deep regions of tissues and muscles of the human body, improve cell metabolism, relieve muscle soreness and pain - Large Treatment AreaThe pad treatment area is 15 by 7 inch, 25 W high power. Total 480 pcs deep lights, including 360 red lights and invisible 120 near infrared lights. Auto shut-off after 20 minutes of booting - Soft Comfortable and ConvenientUTK red light therapy device is suitable for shoulders, abdomen, waist, back, arms, and parts of the human body. With a soft Strap, wrap the painful parts of the body - Long Term UseDue to red light therapy works at a cellular level, it is important to be patient and persistent in getting a healthier body. We recommend that you use the device 1 or 2 times a day for at least 4 weeks, and also use it for 20 minutes in one body area. Only with long term use can you see good results