A Set of Animal Training Clickers In Different Colors for Dogs, Puppies, Cats And Other Animals. They Are Also Suitable for Older Dogs. There Are Many Tutorial Videos Online. . Cut: 7Cm X 6Cm X 1.7Cm. This Clicker Training for Dogs Is Small And Very . They Are Comfortable to Hold And Easy to Click. . Very Easy to Use. Simply Give The Dog A Command, for Example, Sit/Come/Stay, And When The Dog Does, Immediately Click The Clicker, Then Treat Or Praise The Dog. . They Don'T Need Battery, Just Click The Button, Then They Make Loud Clicking Noise Which Will Attract Pet'S Attention. This Is A Very Effective Training Tool for Dog Training. . Each Clicker Has A Stretchy Elastic Wristband With A Lobster Clasp, You Can Use It As A Wristband Or Attach to The Belt. .