PetSafe Remote Training CollarsPetSafe Remote Training Collars Avalable in 100 and 300 yards Created for hands on training when your dog is close by, the 100 Yard Remote Trainer is a short range trainer for medium to large dogs. The 100 yard range is perfect for the next level of training in learning how to behave on or off leash. The remote fits comfortably in the palm of your hand, and we specifically designed the buttons to be intuitive, so theyre easy to remember and right