[Effective Dog Trainer] Well constructed and durable, the metal clicker will not rust or break. Large buttons for easy clicking and loud sound. [Convenient Wrist Attachment] Wear it on your wrist, or hang it up, or attach it to your handbag so it won't fall off and can be easily and quickly accessed. [Easy to use] Simple button with a distinct click sound. The button is easy to press and comes right back on without getting stuck and the sound is nice and not too loud or soft. [Wide Application]The clicker can be used to train not only dogs but also cats, birds, chickens, sheep and even rats. [Package Contents] Includes 2 trainers with wrist straps. Colour: red and yellow. An effective tool for training puppies or cats.