Petsafe Elite Big Dog Remote Trainer. Electronic handheld transmitters deliver correction signals to your dog's remote training collar from a distance of up to 1000 yards, effectively placing the key to positive behavior conveniently in the palm of your hand. You'll gain better control and your furry friend will soon learn to obey your commands, giving you both more freedom. With affordable remote dog training products from Petsafe, you can train your pet off-leash wherever and whenever you need to. Simple to use and completely safe for your pet, our electronic collars can help you put an end to unwanted behaviors like, chewing, jumping, and not coming when called.