Clinical Electrotherapy - Tri-Wave Light Pad : The TriWave Pad is an optional accessory to the Solaris Plus that delivers a single wavelength of light or any combination of 3-wavelengths of light (red, infrared, and blue). Utilizing all these options of TriWave Light Therapy gives you a total of 7 different light treatment combinations to choose from. Included are 2 robust 5" x 7" TriWave Light Pads, which allow for greater coverage of a joint. Use a single pad to treat a smaller area or duel wield the Light Pads to treat 2 separate areas simultaneously. By placing the pads side-by-side, you can also treat larger areas of the body. The Dynatron TriWave has been cleared by the FDA to provide topical heating for temporary increase in blood circulation, temporary relief of minor muscle and joint aches, pain and stiffness and relaxation of muscles; for muscle spasms and minor pain and stiffness associated with arthritis. Please note that protective eyewear required.