Compact and lightweight, the Sport PRO Dog Training System from Garmin is simple, intuitive and easy to use. The quick turn dial clicks when changing between 10 stimulation levels and when controlling auxiliary functions. Includes a built-in BarkLimiter with settable levels to keep things quieter. Four buttons control continuous and momentary stimulation, vibration, tone and lights. The system includes a rechargeable battery, battery clip, dog device, 3/4" collar strap, AC adapter, and split adapter cable.