Compact 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 momentary stimulation, vibration, tone and lights.Dog devices and collars feature interchangeable, replaceable long and short contact points.Function: Dog TrainerBattery: Rechargeable Li-ionProofs: Water ResistantColor: BlackCompatible With: Dog