Doctor-Recommended & used by Health Professionals – This LED therapy utilizes the state of the art technology used on Pro Athletes by today's leading Doctors, Physical Therapists and Trainers. It’s been tested in the real life by several athletes and the aged. Now you can successfully apply to ease painful joints and muscles at home for a fraction of the cost. Light Device - Designed for pain relief, and muscle relaxation, work with auto shut-off for 20minutes, a time controller is also ready for cusomizing use. This device can be used multiple times per day, and it is safe for all skin types. Auto shut-off timer(20 minutes), do not exceed 40 minutes of use in one therapy session, cool your body and have some water before next applying. Wide voltage AC 100 - 240 V, DC 12 V. 15 Ft power cord is long enough in the range of your activity. [12.5 inch x 5.3 inch x 2.3 inch] Double-sided Pad design, 66pcs 660nm red lights and 66pcs 880nm infrared lights evenly distributed around the foot. The large internal space is suitable for most people's sizes. Inner length (29.5cm) fits US size 11 (Euro 45) (UK10). 3-7 days delivery & 1 Year full warranty on the whole product. 1 YEAR FREE REPLACEMENT on charger, controller and connectors! buy this equipment and experience painless, safe, drug-free and natural physical pain relief solution. 2020 upgrade model, SMD technology, the lamp beads are flatter and soft & comfortable Thick but lightweight microplush fibers offer maximum comfort for daily use. Easy to use the light system fit around the target area and focus on treatment in office or at home.