Deliver any combination of 3-wavelengths of light (red infrared and blue) using the Tri-Wave Light Probe or 2 robust 5 in x 7 in Tri-Wave Light Pads. Dual Light Pads allow for greater coverage of a joint treatment of 2 separate areas simultaneously and the ability to treat large areas of the body when placed side-by-side. Features: 3-wavelengths of light (red infrared and blue) Dimensions:14.5''W x 9''H x 7''D