EASY TO USE - Combines two of the most popular dog training tools; a clicker and a whistle, making it an essential training product. Simple push button with distinct clicking sound. Comes with an elastic wrist band so you can leave it on your wrist or clip it to the leash or your pants. Convenient to take outside training. Scientific method of training your pet safely and easily. GET FASTER TRAINING RESULTS - Clicker training is proven to work. Clicker training is an easy method to end undesired behavior and teach good manners, toileting, and tricks. The clicker is not just for dogs it can be used for your cat bird and even horse. Not only train the dog but also the cat, bird, chicken, sheep a new behaviors like sit, fetch, roll over, lie down. For effective pet training always reward with a treat after clicking. MULTIFUNCTION - Can be used to train the dog basic obedience, consistency is the key to obedience training and this clicker/whistle combo give a standard cue that tells your dog that they are performing the correct behavior. SCIENTIFIC TRAINING METHOD - By pressing the big button, this clicker will make distinct and recognizable sound, this is a pleasure way to communicate with your lovely pet. The tear drop shaped clicker is lightweight, fits and feels great in your hand. The whistle provides the additional flexibility to include distance commands to a training program such as a distance sit command. PACKAGE INCLUDE - 2 pack training Clicker with Wrist Strap. Buy 1 that you'll get 2pcs clickers with different colors, white& black.