The Alpha® GPS Track and Train System with TT™ 15 device allows you to track and train dogs in the field. Combines Garmin GPS/GLONASS tracking with Tri-Tronics® training technology. Train your dog to stop chasing unwanted game from up to 9 miles away. Alpha TT bundle includes handheld, TT 15 dog device with collar strap, and field bag. Handheld features 3” glove-friendly touchscreen, 18 levels of continuous and momentary stimulation, preloaded TOPO U.S. 100K mapping, 1-year BirdsEye Satellite Imagery subscription and a rechargeable battery. Shows dog’s direction and speed. Receive “Treed” & “On Point” notifications. Track and train up to 20 dogs with additional collars and handhelds (sold separately). Compatible with Garmin T 5 dog tracking device for track-only situations.