DescriptionThis is a dog training doorbells which is made of materials for long time lasting use. Tinkle dog iron doorbell will be the best device for the communication between your pets and you. The pleasant chime sound is loud as well as clearly without noisy sound.Feature- Color: As shown. - Material: Nylon and Iron. - Size: About 3.5x3.5x3.5cm. - Made of materials for long time lasting use. - Use our dog doorbells, you can train your dog easily to communicate effectively. - Great for pet dog potty training, housetraining and houserbreaking. - Better way for the communication between your pets and you. - Not only can be a pet dog doorbell, but also can be a service bell/doorbell for stores, restaurants, bar and hotel.