Introducing Garmin’s first combination dog tracking and training system – Alpha. The complete system includes the Alpha 100 touch screen handheld, the TT 10 tracking/training dog collar and applicable accessories. This system features superior tracking capabilities with industry leading range, allowing users to track both dogs and buddies. The system additionally offers safe and effective training features, including 18 levels of stimulation and audible tone commands. This waterproof, rugged and reliable tracking/training system gives hunters and dog trainers the security of knowing their valuable pointers, beagles, retrievers, and hounds are always performing at their highest level no matter their location. Handheld Features: 3-axis electronic compass and barometric altimeter. Supports ANT+ for unit-to-unit wireless transfer of data between other handhelds. Tone alerts and vibration motor. System Contents: Alpha 100 handheld with rechargeable Li-ion battery pack (field replaceable) – 16 hours (typical use), belt clip, extended range antenna, AC adapter, USB cable, vehicle power cable and split adapter cable.Features: