Diomedics Pain-X, Model 900

This hand-held light therapy unit has 9 diodes: five infrared, which stimulates deep tissue; and four red, for tissues and cells closer to the surface. The combined effects are useful for soft tissue injuries, arthritis and other joint problems; and for reducing pain. The Pain-X has FDA clearance for minor muscle and joint aches and pains, as well as for muscle relaxation. Operates on batteries or AC adapter (included). Dimensions 9 1/2" x 2 1/2"; treatment area 1.22 square inches. Comes with 66-page booklet and carry case.