[COMPACT SIZE & PERFECT QUALITY]: Long 2.36'' width 1.57'' high 0.7''. Stainless steel clicker element won't rust, strong constructed and durable, multifunction Lanyard band easy to carry, can hanging on the pants, bags or worn on wrist. Easily to use in any position.[EASY TO USE] - Simple push button with distinct clicking sound. The tear drop shaped clicker is lightweight, fits and feels great in your hand. Comes with an elastic wrist band so you can leave it on your wrist or clip it to the leash or your pants.[SCIENTIFIC TRAINING METHOD]: The training clicker will have the clear sound after pressing the button easily. Big button clicker for easy clicking and loud sound. This is a brand new happy communication mode with the pet according to science records. It can be used to train the dog basic obedience, small trick, and correct the bad behavior. Great for training puppies and young adult dogs safely.[WIDE USAGE]: can not only train the dog but also the cats, rabbits, parrot, birds, horse, chickens, sheep and even mouse. Must-have training tool for sound-sensitive pets. You will have a happy communication mode with your pets.