SportDOG Brand TEK Series GPS Tracking Systems with E-Collar Option - Up to 10 Mile Range - Waterproof, Rechargeable Dog Location Device with Handheld US version only; This GPS dog finder and trainer receives and displays your location and your dog's GPS Collar location, while allowing you to also train your dog by providing 99 levels static stimulation, along with tone and vibrate options The Handheld Device features 1:100,000 preloaded topo maps with unlimited lifetime map updates, no subscription required Featuring HopTek technology, this system uses GPS satelites, not cell service, to track and train your dog up to 10 miles away; Track and train up to 21 dogs with the purchase of additional TEK Series 2.0 GPS + E-Collar Add-A-Dog Collars (TEK-2AD) View, or listen to (bluetooth headset compatible), the direction and status of your dog; The Handheld Device will show the direction each dog is headed, the path they took to get there, and whether they are moving or stopped The Handheld Device and GPS Collar are both waterproof and submersible, as well as rechargeable; Easily update both units with the included USB Cables and desktop application The included quick start guide and training DVD, a downloadable operating guide, and a locally based Customer Care Center, reachable at 844-209-4636, provide support when you need it By designing our products in the field, with heat, cold, rain, snow, dust, mud, and wind in mind, SportDOG has become the most recognized brand in the electronic tracking and training categories, making the promise to always create "Gear The Way You'd Design It"