Large Size ------20.65 Inch*13.77 Inch, Much larger than the others sold High-quality belt ------It is A large red light belt for pain relief and fat reduction. The flexible heating pad with 168 red lights (660nm) and 42 invisible near-infrared lights (850nm),total 210 lamp beads. Double light therapy ------Using red light and infrared light double light therapy ------660nm red light reaches the deep layer of the skin, stimulates cell repair and promotes blood circulation, making the complexion more vibrant and youthful. ------850nm infrared is invisible to the naked eye and has strong penetrating power. It produces thermal effect, increases tissue temperature, promotes blood circulation, enhances metabolism, and improves cell viability and regeneration. Decompose fat cells quickly and effectively to achieve the effect of fat reduction and detoxification. Widely applicability -------With this gentle and effective red light therapy,you can enjoy red light therapy at home, at work, in car or while doing yoga, reading, and performing various activities. This wearable red light pad is also suitable for pets, such as dogs, cats, horses, etc. Specification Name: Red light infrared treatment belt Wavelength: 660nm/850nm Number of lamp beads: 210Pcs (660nm: 168pcs, 850nm: 42pcs) Power: 30W Function: weight loss/analgesia Gear position: 5 Timing: 15-90min, 15min interval Larger Size: 21.65Ich * 13.77Inch Package list: 1*Red light physiotherapy pad, 2*adjustable buckle belt, 1*power cord, 1*adapter, 1*control line, 1* manual, 1*packing box