Clinical Electrotherapy - Tri-Wave Light Probe : The TriWave Probe 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. The Triwave Probe is specifically designed for treating smaller areas. The probe has a treatment area of 6 cm2 and should be applied in direct contact with the surface of the skin over the treatment area. 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.