The Dogtra PATHFINDER MINI brings GPS and e-collar technology right to your smartphone, giving you a more accurate and responsive way to track and train smaller dogs like beagles. Compatible with and 22% smaller than the PATHFINDER, the PATHFINDER MINI truly works without using cellular data*. Just download the free maps and operate your smartphone in the Offline Maps mode. Unlike other GPS e-collars, there are no extra navigation packages to purchase. The PATHFINDER MINI also offers a 4-mile range and a Beacon & Locate LED Light to easily track dogs 15 lbs and up.