Bundle of 2 items - SportDog - SD-105 - Yard Trainer for Introductory and Advanced Dog Training Waterproof Shock Collar with PetsTEK Dog Training Clicker and Dog Whistle Training Kit This is a bundle of 2 items: Sport Dog SD-105, PetsTEK dog training clicker and dog whistle training kit. SD-105 Yard Trainer is recommended for dogs 8 pounds or larger with low to moderate temperament. This waterproof collar has 8 levels of stimulation plus tone only that can be switched instantly. It features up to 100 yard range. This training collar is not expandable to multiple dog system. Whistle is another training tool to help stop unwanted behavior and teach your dog to obey commands. With help of the clicker, you can teach your dog new behaviors with positive reinforcement. Training clicker comes in assorted colors: black, white, green, blue and red.