【Dual Light Therapy】- This therapy wrap contains 732 powerful light bulbs which has both 660 nm red and 850 nm infrared light chips. Red light reaches deep layers of the skin stimulates cellular repair and increases circulation to promote a more vibrant youthful complexion. IR light deeply penetrates and cause thermal effects to increase tissue temperature promote blood circulation enhance metabolism improve cell viability and regenerative capacity. 【Soft Comfortable & Easy to Use】- Lights are flat so the surface is soft and will not feel pain when wearing. You can freely move when doing therapy and you ll feel soft and lightweight on the belt. Comes with 20 minutes auto off timer hand-free operation in office or at home. 15 Ft power cord is long enough in range of your activity.