PetSafe Remote Spray TrainerThe Remote Spray Trainer is pretty similar to our Spray Bark Collar, but instead of incorporating bark detection technology into the collar, weve swapped it out for a handheld remote so youre always in control. This collar is the best choice for training medium or large dogs who might be a little too shy or sensitive for static training, but it is effective for dogs of all temperaments. You can communicate with your dog using audible tone, vibration