This Specialty data cable is 3' long and is compatible with a Visor Solo, Deluxe, or Prism (not Platinum or Edge.) It has a special pinout and is powered by the Visor itself (see Pinouts.) It is compatible with certain specialty items such as Active Corporation's "ActiveECG," see Product Selector. Click the "Add to Cart" button to place the item in your shopping cart. We offer it for $34.99.