Garmin Delta Sport PRO Bundle | Dog Training Collar and Handheld DeviceCompact and lightweight, the Sport PRO is simple, intuitive and so easy to use in 1 hand, you dont even have to look at it. It allows you to train up to 3 dogs (additional dog devices required, sold separately). Quick turn dial gives positive 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