Astro can track up to ten dogs per "Handheld GPS" receiver at one time. Add additional Astro DC 40s as needed.
Choose an Orange , Black , Blue , Green , Red , Yellow , White , Silver , Pink , or Violet collar strap. It is easy to List: $249.99, Order Yours: $199.99
Add-on GPS tracking only collar for SportDOG TEK systems .
NOT compatible with other SportDOG remote training collars. Not available to Canadian Addresses. ...
List: $209.95, Order Yours: $159.95