Effective Potty Training - Teach your pet to ring the bell to go out or go to the toilet instead of scratching and barking at the door to get your attention, and the top button is flat and wide for easy dog or cat operation. Two bells can be placed on the outside or inside of the door. Anti-slip rubber fun helps keep the bell in place. It is not easy to slip and fall on the floor, and it also protects the floor and prevents scratches. For Puppies and Kittens - This palm-sized 7.2cm diameter pet trainer features a stylish paw print. Since it doesn't hang from the door, pets can paw the bell to increase the sound and avoid losing it. Your pet 1: Put the bell on the doorknob 2: When your dog needs to go out, take the doorbell to him, ring the doorbell with your paw and give him a command, then open the door to let him out. 3: When your dog needs to go out, repeat the process over and over with the pendant for three weeks or less, always giving the same commands and boxes. Quantity delivered: 2 pieces Product color: white Product size: 7.2cm in diameter, 5cm in height, suitable for small dogs