Diomedics Pain-X, Model 3800

This hand-held light therapy unit has 38 diodes: 18 infrared, which stimulates deep tissue; and 20 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. Operates on AC adapter. Dimensions: 5 1/2" x 6 1/2"; treatment area: 2.78 square inches. Click here to see photo of lights. Comes with 66-page booklet and carry case.
This unit is officially sold for animal use due to the extensive costs of requirements to meet FDA clearances.